CBSE X Physics Electricity
What is relation beteen current and voltage.
Asked by
21st May 2014
11:03 AM
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CBSE X Physics Electricity
Can ac and dc current flow in same wire?
Asked by
21st May 2014
11:07 AM
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CBSE XII Science Physics Moving Charges and Magnetism
Q.Why does a current carrying loop act as a magnet?
Asked by Ravi consul
4th March 2015
6:51 PM
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CBSE X Physics Electricity
Sir,
Why should a voltmeter be connected in parallel and an ammeter be connected in siries?
Asked by seeni2005
6th June 2016
8:24 PM
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CBSE XII Science Physics Alternating Current
Explain in detail how physiology of bird causes this?? How current flows in opp. Direction
Asked by upmaniousagarika
22nd July 2016
11:42 AM
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CBSE X Physics Electricity
The figure shows a circuit diagram containing 12 cells , each of e.m.f. 1.5 V and internal resistance 0.25 ohm. Calculate : (i) total internal resistance (ii) total e.m.f (iii) total external resistance (iv) reading shown by the ammeter (v) current in 12 ohm and 8 ohm resistors (vi) potential difference across 2.2 ohm resistor (vi) drop in potential across the terminals of the cell .
Asked by Vikas
29th August 2016
10:01 AM
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NEET1 ALL Class Physics Electricity
A wire whose cross -sectional area is increasing linearly from its one end to the other, is connected across a battery of V volts.Which of the following quantities remain constant in the wire?
a. Drift velocity
B. Current density
C. Electric current
D. Electric field
Asked by Priyanka
15th November 2017
3:47 PM
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Maharashtra old VIII Science Electric Current
Why is the direction of the current in an electric motor reversed after every half round
Asked by Manju
22nd November 2017
9:43 PM
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CBSE X Physics Electricity
Write a low resistance device name which is always connected in series with the device through which the current is to be measured.
Asked by pdcavita
26th November 2017
8:58 PM
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ICSE X Physics
Name the particles which r responsible for the flow of current in a metal.
Asked by Hima S
1st February 2018
5:19 PM
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ICSE X Physics
Define the term current and state its SI Unit
Asked by cyriacavickal
1st February 2018
6:07 PM
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CBSE X Physics
current of 1 A is drawn by a filament of an electric bulb.Number of electrns passing through a cross section of the filament in 16 secs wouyld be 1. 1020 2. 1016 3. 1018 4. 1023
Asked by gpnkumar0
4th February 2018
9:48 PM
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CBSE XII Science Physics
Please solve the following question
Asked by Balbir
7th February 2018
12:32 PM
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NEET1 NEET1 Physics
Effective speed of current is nearly equal to speed of light while order of drift velocity is 10^-⁴. Please explain this contrast
Asked by ashutosh25807
22nd February 2018
11:33 AM
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CBSE X Physics
If a bulb of 60 W is connected across a source of 220 V . Find the current drawn by it.
Asked by abhijeet.mishra
14th March 2018
4:13 PM
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CBSE XII Science Physics
define current density
Asked by haroonrashidgkp
10th April 2018
8:58 PM
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CBSE XII Science Physics
is current independent of direction ? if not in which direction does the current flow?
Asked by Prashant Malik
14th April 2018
9:27 PM
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CBSE XII Science Physics
The charge flowing in a conductor varies with time t, as q = at - 1/2bt^2 + 1/6ct^3, where a,b and c are positive constants. Then find :- 1.)the initial current 2.)the time after which the value of current reaches a maximum value 3.)the maximum or minimum value of current Please give the answer in proper and clear steps
Asked by acv27joy
19th April 2018
7:17 PM
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NEET1 NEET1 Physics
The reading of the ammeter in the adjoining figure will be :-
Asked by Atulcaald
29th April 2018
1:23 AM
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ICSE VIII Maths
Electric current flowing through a circuit is inversely proportional to resistance.When the resistance is 2 ohms,current is 3 amperes.Find the following:- (a)The resistance when the current flow is 0.5,1.2 and 2 amperes respcctively. (b)The current flow in a circuit when the resistance is 1.2,2.4 and 30 ohms respectively
Asked by nathsantanukumar
9th May 2018
6:02 PM
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CBSE X Physics
In 10sec a charge of 25c leaves a battery and 200j of energy are delivered to an outside circuit as a result a) what is potential difference across the battery b)what amount of current flows from battery
Asked by hvinayaka
12th July 2018
5:54 PM
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CBSE X Physics
A 240 V ac mains circuit to which a number of appliances are connected & switched on. 240 ac-Fan(1.2KW)-Refrigerator(200 watt)-two bulbs(60w each,parallely) 1. Calculate the power supplied to the circuit. 2.calculate a) The current in the refrigerator. b) The energy used by the fan in 3 hours c)The resistance of filament of one bulb.
Asked by agraharianiruddha
26th July 2018
7:15 PM
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CBSE XII Science Physics
5 cells each has 5v，1 ohm are connected in series and by mistake 2 cells are wrongly connected to an external resistance 5 ohm.,then the current through the circuit is
Asked by sbtech357
28th July 2018
12:28 PM
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CBSE X Physics
Please solve this
Asked by jibinrajjrkb007
31st July 2018
10:16 PM
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CBSE XII Science Physics
Derive the expression for the current density of a conductor in terms of the conductivity and applied electric field. Explain, how the mobility of electrons in a conductor changes when the potential difference applied is doubled, keeping the temperature of the conductor constant.
Asked by lekhakarthikeyan
20th August 2018
12:01 AM
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JEE Plances JEE (Main) Physics
an electron of mass 9*10^-31 kg moves around a nucleus in a circular orbit of radius 2 A° under the action of centripetal force 3.2N. then find the equivalent electric current is
Asked by likithparuchuri666
27th August 2018
12:53 PM
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ICSE X Physics
Q1:In an experiment of veificaion of Ohm's Law,following observations are obtained. Potential Difference V (in volt)=0.5,1.0,1.5,2.0,2.5 Current I(in ampere)=0.2,0.4,0.6,0.8,1.0 Q1a:Draw a V-I graph. Q1b:The potential Difference V when the current I is 0.5A Q1c:The current I when the potential difference V is 0.75V. Q1d:The resistance in circuit. Q2:Two wires of the same material and same length have radii 1mm and 2mm respectively.Compare:a.Their resistances and b.Their specific resistances. Q3:A wire of resistance 3 ohm and length 10 cm is stretched to length 30 cm.Assuming that it has a uniform cross section,what will be its new resistance? Q4:A wire of resistance 9 ohm having length 30 cm is tripled on itself.What is its new resistance?
Asked by kaursukhjindersukh
4th September 2018
3:45 PM
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CBSE X Physics
Pls solve this question with proper explanation. Answer each part separately.
Asked by riyamaths
9th September 2018
7:51 PM
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NEET1 NEET1 Physics
Please answer the following question with explanation
Asked by Deepak
11th September 2018
12:54 PM
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ICSE X Physics
a cell of E.M.F 1.5v and internal resistance 10 ohms is connected to a resistor of 5 ohms with an ammeter in series. draw a bircuit diagram of the arrangement and calculate: (1)ammeter reading (2) the potential differance across the 10ohms resistor
Asked by bharadwajlucky26
14th September 2018
4:53 PM
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ICSE X Physics
from the diagram calculate the current in the 1ohm,2ohm,3ohm resistors
Asked by bharadwajlucky26
14th September 2018
4:55 PM
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NEET1 NEET1 Physics
Please solve this question and show me how to do these
Asked by ankitabwn1999
20th September 2018
1:05 PM
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ICSE X Physics
What is conventional current?
Asked by jaiswalsindhuli717
20th September 2018
8:01 PM
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JEE Plances JEE (Main) Physics
In which cases the current does not flow from higher potential to lower potential and why?
Asked by nd films
20th September 2018
9:21 PM
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CBSE XII Science Physics
Pls solve it
Asked by Vijaybhan07
2nd October 2018
4:41 PM
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CBSE X Physics Electricity
how electricity passes through a area of cross section
Asked by kiransudhakommuru
12th October 2018
2:37 PM
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JEE Plances JEE (Main) Physics
In a circuit,if the forward voltage drop for the diode is 0.5 then the current in the circuit will be?
Asked by dpssck
30th October 2018
7:31 PM
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CBSE X Physics
Amswer the following question:
Asked by guptaabhinav0809
10th November 2018
9:31 PM
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CBSE XII Science Physics
What is current
Asked by Sharmahimanshi
7th December 2018
8:52 AM
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CBSE X Physics Magnetic Effects of Electric Current
Two coplanar concentric circular conductors made of same wire of same material and thickness connected to batteries of 20 V and 16V respectively and are of radii 5 cam and 10 cm respectively. If the resistance of inner coil is 4 ohm, find magnetic induction at centre O.
Asked by acv27joy
16th December 2018
6:36 PM
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ICSE X Physics
What is the current in the circuit ?
Asked by Shreyas
20th December 2018
8:51 AM
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CBSE XII Science Physics Electric Charges and Fields
obtain an expression showing the relation between the current density in a current carrying conductor the is drift velocity the number of free electrons per unit volume and the electronic charge derive an expression for drift velocity of free electrons
Asked by awanishraj254
30th December 2018
10:46 PM
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ICSE X Physics Current Electricity
a current of 1.6 mA flows through a conductor. if charge on an electron is -1.6 × 10^-19 Coulomb , find the number of electrons that will pass each second through the cross section of that conductor.
Asked by nagarajpandu
1st January 2019
12:34 AM
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CBSE X Science
As the thickness of wire increases so also the number of atoms increases so how does the electron freely move through the thicker wire as compared to the thinner one?
Asked by abcom2003
3rd January 2019
1:01 PM
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CBSE X Physics Electricity
Differentiate between short circuiting and overloading.
Asked by sajal2402
9th January 2019
5:31 PM
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JEE Main Physics Current Electricity
two cell E1= 4v and E2=8v internal resistance.5 ohm ,1 ohm connected series with external resistance 4.5 ohm and 3 ohm and connected 6 ohm resistance parallal with 3 ohm resistance..find the potential difference cell E1and E2..
Asked by samantasourav636
23rd January 2019
10:42 AM
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NEET NEET Physics Current Electricity
Please answer the following question with explanation
Asked by deepakudgiri29
23rd January 2019
5:38 PM
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ICSE VII Physics
What is the amount of current flowing across a conductor if 36C flows past a point in 12s?
Asked by Tania8743singh
13th February 2019
11:39 PM
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ICSE X Physics Current Electricity
do electricity flows inside a conductor
Asked by PRADEEP
15th February 2019
10:20 AM
Answer Verified by Expert
ICSE X Physics
[1] A cell of e.m.f. 1.5 V and internal resistance 1.0 is connected to two resistors of 4.0 and 20.0 in a series Calculate the: (i)Current in the circuit. (ii)Potential difference across the 4.0 ohm resistor. (iii)Voltage drop when the current is flowing. (iv)Potential difference across the cell. [2] Explain why alpha and beta-particles are deflected in an electric or a magnetic field but gamma rays are not deflected in such a field. [3] A transmission line having a total resistance of 0.2 delivers 10 kW at 220 V to a small factory. Calculate the power loss in the line. Temperature of a solid body is observed to be constant during aperiod. Give two inferences for this period.
Asked by Farheen1447
4th March 2019
11:30 PM
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JEE Main Physics Current Electricity
When an electric heater is switched ON,the current flowing throug it is plotted against time(t).Taking into account the variation of resistance with temperature ,draw a graph plz
Asked by vishakhachandan026
29th March 2019
2:15 PM
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NEET NEET Physics
Why do we take 3 bulbs only while calculating current through ammeter after calculating total current in the circuit?
Asked by nipunverma59
31st March 2019
2:02 PM
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JEE Main Physics Current Electricity
The potential difference through 3 ohm resistor is _as shown in figure plz answer faster
Asked by mihirmadhu01
31st March 2019
4:53 PM
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CBSE X Physics
An electric current of 5A is divided into 3 branches length of wires 1:2:3. Find the current in each.
Asked by Aritra
17th April 2019
10:55 AM
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CBSE X Physics Electricity
A battery of 5V and internal resistance 1ohm is connected to a combination 8ohm and 11ohm connected in series with each other. Calculate the current in the circuit.
Asked by nibedita.behera.0308
20th April 2019
11:02 AM
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CBSE X Physics Electricity
The circuit consistent of 3 cells of 6 v each a 5 ohm resistance ,8ohn resistance,12 ohm resistance connect in series from the circuit diagram calculate the current flow through the circuit and pd accrose 12 ohm
Asked by prayas4417
8th May 2019
2:09 PM
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CBSE X Physics Electricity
Four cells of 2 volts each re connected in series with an ammeter, a resistor of 6 ohms and another unknown resistor .A voltmeter is also connected across both resistors.The current flowing through the circuit is 2 Amps.Draw the circuit and find the current through both the resistors as well as the potential difference across them.
Asked by bcnandi
13th May 2019
9:37 PM
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CBSE X Physics Electricity
What is current
Asked by 2403akbar1996
14th May 2019
1:23 PM
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CBSE X Physics Electricity
Three resistors of 10, 20 and 30 ohms are connected in parallel to a 9V battery. Calculate: ( a)Value of current through each resistor (b)Total current in the circuit (c)Total effective resistance of the circui
Asked by piyushmalik024
19th May 2019
11:31 AM
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CBSE X Physics Electricity
define ohms law
Asked by navneetrajakgg
23rd May 2019
7:29 PM
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CBSE XII Science Physics Current Electricity
how to find range of galvanometer when current and resistance is given
Asked by krvrvijai
27th May 2019
2:05 PM
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CBSE X Physics Electricity
To find rarional btw potential difference and current
Asked by Gaganyadav0037
3rd June 2019
5:30 PM
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CBSE XII Science Chemistry Electrochemistry
Estimate the mass of copper metal produced during the passage of 5A current through CuSO4 solution for 100 minutes.the molar mass of Cu is 63.5g mol-1.
Asked by jaiswalishika960
4th June 2019
2:49 PM
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CBSE X Physics Electricity
what si electric current
Asked by tanveer.shahana79
6th June 2019
3:05 PM
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NEET NEET Physics
In a wire of circular cross section with radius r free electrons travel with a drift velocity v when a current I flows through a wire.The current in another wire of half the radius and of the same material when the drift velocity is 2v
Asked by Pailasudakararao
9th June 2019
10:40 AM
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CBSE X Physics
Two lamps, one rated 100 W at 220 V and the other 200W at 220 V are connected (i) in series and (ii) in parallel ot electric main supply of 220V. Find the current drawn in each case. Summarise the events that takes place inside a plant after fertilisation?
Asked by piyushmalik024
7th July 2019
1:35 AM
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CBSE X Physics
What is The C.G.S unit of electric current?
Asked by shreyashahi3014
7th July 2019
4:33 PM
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NEET NEET Physics
The number of electrons striking the screen of CRT is 7.5 calculate the electric current
Asked by Harshavardhankapu
16th July 2019
8:14 PM
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NEET NEET Physics
Please answer both the questions
Asked by Prashant DIGHE
18th July 2019
5:23 PM
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NEET NEET Physics
Please answer this
Asked by Prashant DIGHE
18th July 2019
5:39 PM
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NEET NEET Physics
Please answer this
Asked by Prashant DIGHE
19th July 2019
5:13 PM
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NEET NEET Physics
What is the current flowing through the switch ?
Asked by Prashant DIGHE
22nd July 2019
3:50 PM
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NEET NEET Physics
Please answer this
Asked by Prashant DIGHE
26th July 2019
9:36 AM
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CBSE XII Science Chemistry Electrochemistry
3.66
Asked by lovemaan5500
13th August 2019
5:53 PM
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CBSE XII Science Chemistry Electrochemistry
3.71 plz
Asked by lovemaan5500
19th August 2019
11:13 PM
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CBSE XII Science Chemistry Electrochemistry
3.66 sum plz
Asked by lovemaan5500
19th August 2019
11:14 PM
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CBSE XII Science Physics
Current passing through switch is?
Asked by prakriti12oct
21st August 2019
12:01 AM
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JEE Main Physics
Please solve this problem in image immediately.
Asked by miaowmira1900
22nd August 2019
12:46 AM
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JEE Main Physics
Please solve this problem in the picture urgently...let, radius of the sphere is R
Asked by miaowmira1900
3rd September 2019
12:10 AM
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JEE Main Physics
10 kj/s of heat is produced when a dc flows through a 100 ohm resistor. which of the followin ac produced nearly same heat per sec through the same resistor? (1)15 sinωt (2) 45 sinωt (3)30 sinωt (4) 10sinωt
Asked by sumsansam
6th September 2019
10:51 PM
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NEET NEET Physics
⭕Help me in this question...Thanks☺️ ↪️Refer to attachment ↩️
Asked by jhajuhi19
11th September 2019
9:31 AM
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CBSE X Physics
Q.31 in the image attached..can anyone pls tell me the answer for that
Asked by harshithaa_rg
17th September 2019
2:08 PM
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CBSE XII Science Physics
Please solve this with full solution, or just rearranging this to a simpler form would be enough...
Asked by Baliraja
21st September 2019
3:58 PM
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Maharashtra IX Physics
If a charge of420 c flows through a conducting wire in five minutes what will be it's value
Asked by kamalbhoir75
1st October 2019
7:04 PM
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CBSE VII Science Electric Current and its Effects
If we touch an electric wire carrying current, get a shock but when birds sit on it , they don't get any shock. Explain.
Asked by apramanik
8th November 2019
12:02 AM
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CBSE VII Science Electric Current and its Effects
In which direction current flows inside the cell?
Asked by apramanik
8th November 2019
12:06 AM
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CBSE X Physics
Please solve below question it's related to electricity
Asked by sumitshekhar891
9th November 2019
12:09 AM
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NEET NEET Physics
What will be the current through 8 and 4 ?
Asked by astutijoshi
12th November 2019
1:37 AM
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CBSE X Physics Electricity
Four resistors of 2 ohm each are first connected in series and then in parallel with a battery, Find the ratio of electric current in series and parallel connection
Asked by saradamahapatra9999
10th December 2019
10:08 AM
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CBSE XII Science Physics Alternating Current
What is difference between ac and dc
Asked by Selebagbi
14th December 2019
9:35 AM
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ICSE VIII Physics Current Electricity
What hapens to the circuit during overloading short circuit or voltage fluctuation?
Asked by Kawalrandhawa1402
24th December 2019
5:51 PM
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NEET NEET Physics
please answer this
Asked by Prashant DIGHE
26th December 2019
10:34 PM
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ICSE IX Science
When starter motor of a car is switched on for 0.8 s,a charge 24C passes through the coil of the motor. motor . motor.Calculate
Asked by anilrktnayak
27th December 2019
4:40 PM
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ICSE IX Science
A charge 0.5 C passes through a cross section of a conductor in 5s.Find the current.
Asked by anilrktnayak
27th December 2019
4:41 PM
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ICSE IX Physics Current Electricity
A bulb draws current 1.5 at 6.0V .Find the resistance of filament of bulb while growing .
Asked by anilrktnayak
27th December 2019
4:43 PM
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ICSE IX Science
What is an electric cell?
Asked by anilrktnayak
27th December 2019
4:44 PM
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CBSE X Physics Electricity
Why is the the negative terminal of the battery in a circuit don't repel the negatively charged electrons which are flowing in a circuit as per the direction of the current
Asked by maliacharya1
15th January 2020
12:03 PM
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CBSE X Physics
Two electric lamps 40W,220V and 60W,220V are connected in series with a supply voltage of 200V. Calculate the current drawn from the source.
Asked by as5878850
29th January 2020
7:34 PM
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CBSE X Physics Magnetic Effects of Electric Current
name the device in which a current carrying conductor and magnetic field are used
Asked by dharmrajsinhparmar79
14th February 2020
9:41 AM
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CBSE XII Science Physics
Ques 2
Asked by lovemaan5500
22nd February 2020
10:16 PM
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NEET NEET Physics
⭕Help me in this question....Thanks!!😊
Asked by jhajuhi19
2nd March 2020
12:54 AM
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CBSE X Physics Electricity
find energy given to each columb of charge flowing/passing through 6volts battery?
Asked by arajeevshashank
12th March 2020
5:07 PM
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NEET NEET Physics Current Electricity
⭕Answer with Explnation....Thanks😊
Asked by jhajuhi19
16th March 2020
5:31 PM
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CBSE X Physics Electricity
I did not understand the meaning of potential difference and its sub-topics
Asked by vihaan.kool009
26th March 2020
11:11 AM
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CBSE X Physics
A charge of 12 X 10*5 c ( here 10*5 is 10 power 5) flows in a conductor for 10 minutes. If the resistance offered by the conductor is 80 ohm, calculate the a)Current flowing b) Voltate c)Work
Asked by arajeevshashank
26th March 2020
11:58 AM
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CBSE X Physics Electricity
A charge of 5000 columbs flows through the electric circuit in 2.5 hrs calculate magnitude of current in ampere and milliampere
Asked by arajeevshashank
27th March 2020
12:37 PM
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CBSE X Physics Electricity
in which way we can pass the current
Asked by Hejashree.mlzs
31st March 2020
6:56 PM
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CBSE X Physics Electricity
si unit of current
Asked by mnitu298
8th April 2020
4:01 PM
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CBSE XII Science Physics Alternating Current
plzzz solve this problem
Asked by rajmantilakhlan
9th April 2020
11:15 AM
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CBSE XII Science Physics
Please solve it .
Asked by abhitailor158
9th April 2020
7:27 PM
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CBSE XII Science Physics
Please solve it .
Asked by abhitailor158
14th April 2020
6:49 PM
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CBSE X Physics Electricity
Si unit of electric current
Asked by tiwarinirmala83
18th April 2020
8:53 PM
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CBSE VII Science Electric Current and its Effects
How does a wire helps in the flow of the current ?
Asked by vedangjaiswal2636.mpsl
21st April 2020
8:40 PM
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CBSE XII Science Physics Current Electricity
plz explain
Asked by nagavalli72003
23rd April 2020
2:28 AM
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NEET NEET Physics Electronic Devices
⭕ Solve this question by using the relation between power gain & voltage gain. [ Power gain= voltage gain × ß] where, ß = current gain=(Ic/ib) thanks🙂
Asked by jhajuhi19
24th April 2020
8:16 AM
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ICSE X Physics
What is the formula to find- Total current Total resistance Reading of the ammeter Equivalent resistance Combination of resistors both in series and parallel And what happens if voltmeter has high resistance and what do u mean by negligible resistance??
Asked by sanjeevrao.2704
2nd May 2020
3:05 PM
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CBSE X Physics
Calculate resistance if 5A of electric current flow through a conductor having potential difference between two points as 15V
Asked by gungunshruti7
2nd May 2020
7:10 PM
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ICSE X Physics
What is the formula to find Total current Total resistance Ammeter reading Combination of both series and parallel circuit
Asked by sanjeevrao.2704
3rd May 2020
5:28 PM
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CBSE X Physics Electricity
what is electric current
Asked by gourihneelaraddi
4th May 2020
8:52 AM
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ICSE VIII Physics Electricity and Magnetism
who is responsible for flow of electric current
Asked by mandalnikhil0740.8sdatl
4th May 2020
9:56 AM
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JEE Main Physics Magnetic Effects of Current and Magnetism
A permanent magnet in the shape of a thin cylinder of length 10cm has M=10^6A/m. Calculate the magnetisation current Im
Asked by bhuvanshetty1340
5th May 2020
11:19 AM
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ICSE X Physics Current Electricity
If current is a scalar quantity, what is the meaning of the sentence,'Current flows from a medium of high electrons to a medium of low electrons'? {note: scalar's don't have a direction}
Asked by khushdab
7th May 2020
12:22 PM
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CBSE X Physics
What is the total resistance of this diagram
Asked by roshanshakya1977
9th May 2020
6:04 PM
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ICSE X Science
exercise 8c numerical 21
Asked by nilesh.dhote74
13th May 2020
1:19 PM
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NEET NEET Physics
Emf is said to be the potential difference across the terminals of a cell when no current flows through it or when it is an open circuit. My doubt is, how can there be potential difference when no current flows??
Asked by vijaygireesh
17th May 2020
12:24 PM
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NEET NEET Physics Electromagnetic Induction and Alternating Currents
the emf e=4cos1000t is applied to an L-R circuit containing inductance 3mH &resistance 4ohm.the amplitude of current is
Asked by smithasaji12
5th June 2020
8:50 PM
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CBSE XII Science Physics
ans this plz
Asked by ac9968252687
11th June 2020
7:46 PM
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CBSE X Physics Electricity
What is the order of resistivity of insulators as well as conductors?
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25th June 2020
12:30 AM
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Gujarat X Physics
Calculate the effective resistance and current passing through the circuit
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13th July 2020
2:21 AM
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NEET NEET Physics
Find power dissipated in 3ohm resistor
Asked by meeragurumani2000
14th July 2020
9:38 AM
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NEET NEET Physics Current Electricity
Doubt
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14th July 2020
3:13 PM
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CBSE X Physics Electricity
Please answer the question
Asked by vermakkajal330
17th July 2020
4:16 PM
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CBSE X Physics Electricity
what is electric current
Asked by singlasidhant0
31st July 2020
4:01 PM
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CBSE XII Science Physics Electromagnetic Induction
100MH coil carries a current of 5 ampere what is energy store in it
Asked by sahilposwal28
21st August 2020
2:20 PM
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CBSE XII Science Physics
explain, why two wires carrying current in opposite directions repel each other
Asked by aatyupatel
13th September 2020
10:42 PM
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CBSE XII Science Physics
Flow of electric charges of a metallic conductor plzz explain me
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29th November 2020
7:42 PM
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CBSE X Physics Electricity
SI unit FPS unit and CGS unit of electric current
Asked by prashantk24818
31st December 2020
1:31 PM
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ICSE X Physics Current Electricity
Calculate the current drawn from 2V battery in the diagram given below .Calculate VB - VA
Asked by kumudyadav.alld
7th February 2021
4:47 PM
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CBSE X Physics Electricity
please tell how to solve
Asked by deep.saluja101
10th March 2021
10:07 PM
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ICSE VII Physics Electricity
A closed path for the flow of electric current is called
Asked by shubhamchaturvedi4507
18th March 2021
5:32 PM
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CBSE X Science
1--Why does the cord of an electric heater not glow while the heating element does ?? 2--what determines the rate at which energy is delivered by a current ?? 3--give reasons why copper is used to make a hot water tanks and not steel??
Asked by kameshwarprasad774
27th March 2021
6:59 AM
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CBSE X Physics Electricity
a potential difference of 10 volt is needed to make a current of 0.02 impair for flow through a wire. what potential difference is needed to make a current of 250 mili ampere flows through the same wire
Asked by kritikabrahma23
13th April 2021
7:22 PM
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CBSE X Science
please help me answer this question.
Asked by swatipuspapatel
19th May 2021
5:02 PM
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CBSE X Physics Electricity
Study the VI graph for a resistor as shown in the figure and prepare a table showing the values of I (in amperes) corresponding to four different values of V (in volts). Find the value of current for V = 10 volts. How can we determine the resistance of the resistor from this graph?
Asked by harjot.arshleen
21st May 2021
6:48 PM
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JEE Main Physics Current Electricity
In the circuit shown in fig ,the reading of ammeter A is
Asked by matamshanthireddy141
28th May 2021
3:31 PM
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CBSE X Physics Electricity
An electric iron has a rating of 750w,220v, calculate the current flowing through it and its resistance when in use
Asked by praveengupta2919.9
31st May 2021
2:53 PM
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CBSE XI Science Physics
hello mam When a potential difference of 1.5 V is applied across a wire of length 0.2 m and area of cross-section 0.30 mm2 , a current of 2.4 A flows through the wire. If the number density of free electrons in the wire is 8.4 X 1028 m-3 , calculate the average relaxation time. please solve this sum
Asked by seeni2005
22nd June 2021
4:06 PM
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CBSE X Physics Electricity
if 20 C of charge pass a point in a circuit in 1 second what current is flowing
Asked by kamnikumari698
23rd June 2021
8:28 AM
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CBSE XII Science Chemistry Electrochemistry
How many gram of Cu will be obtained by passing 4.5 ampere current thrugh 1 litre 0.6M CuCl2 aqueous solution by dipping inert electrodes for 1 hour? what will be the change in concentration ?
Asked by aarchi80
30th June 2021
3:37 PM
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CBSE XII Science Physics Current Electricity
Find the current in each branch of the given circuit.
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8th July 2021
7:10 PM
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CBSE XII Science Physics Current Electricity
Find the current in each resistor
Asked by najeeb.razvi
9th August 2021
6:45 PM
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JEE Main Physics Electromagnetic Induction and Alternating Currents
Solve
Asked by ojastej235
12th November 2021
9:09 PM
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CBSE X Physics Electricity
If charge on one electron is 1.6 x 10 -19 C. Calculate number of electrons required to constitute 1A of current in 1s.
Asked by shashankkatekar
28th December 2021
7:26 PM
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CBSE X Physics Electricity
The flow of electrons is opposite to the direction of the flow of current as electron is negatively charged . Then why current is defined as the flow of electrons through the conductor though current travels from positive to negative terminal.
Asked by suneethasri83
1st January 2022
2:59 PM
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ICSE IX Physics Current Electricity
A conductor carries a current of 0.2 A. [3] i) Find the amount of charge that will pass through the cross section of conductor in 40 s. ii) How many electrons will flow in this time interval if charge on one electron is 1.6 x 10–19 C ?
Asked by subhransudey81
8th February 2022
11:06 AM
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CBSE XII Science Physics Current Electricity
the number of electrons striking the screen of CRT is 7.5×10^15 in 10 sec. calculate the electric current
Asked by saishankar160
10th February 2022
9:57 PM
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ICSE X Physics Current Electricity
Find the magnitude of current through the 4\OmegaΩ resistor in the circuit shown.
Asked by Om
28th June 2022
10:04 PM
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CBSE X Physics Electricity
& Resistances of three resistors are given as R, = 10 2, R= 20 2 and R, = 30 12. Calculate the effective resistance when they are connected in series. Also calculate the current flowing when the combination is connected to a 6 V battery.
Asked by agrimabhatt
1st November 2022
12:26 AM
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CBSE X Physics Electricity
if one microampere current flows through a conductor for 10 seconds how many electrons will pass at the point of cross section
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3rd November 2022
10:02 PM
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JEE Main Physics Work, Energy and Power
solve question
Asked by rasjad355
15th January 2023
4:49 PM
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ICSE X Physics Current Electricity
Practically,why does current decrease if length of conductor increases?
Asked by viralprana
16th April 2023
3:44 PM
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CBSE X Physics Electricity
The resistance of a resistor is kept constant and the potential difference across its two ends is decreased to half of its former value.State the change that will occur in the current through it.
Asked by prassanna.j
3rd September 2023
12:13 PM
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CBSE VIII Science Chemical Effects of Electric Current
Draw a current diagrams on a dry cell connected to a ball through a switch. Mark the positive and negative terminal of the cell and the direction of flow a.electron b.conventional current
Asked by sharephoto7272
19th October 2023
7:17 PM
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JEE Main Physics Electromagnetic Induction and Alternating Currents
in average current over a half cycle can be zero?
Asked by nikanaujiya147
8th November 2023
8:23 AM
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