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CBSE - XII Science - Physics - Current Electricity
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Asked by mailtoanjalip2005
16th March 2024,
8:22 PM
CBSE - XII Science - Physics - Current Electricity
Find the current supplied by the 7 volts source in the circuit shown in the following figure
Asked by nikhilsai2616
19th November 2023,
1:05 AM
CBSE - XII Science - Physics - Current Electricity
find current supplied by each battery and power dissipated in 1ohm resistor
Asked by snehashiragannavar773
21st October 2023,
2:38 PM
CBSE - XII Science - Physics - Current Electricity
Kirchhoff law
Asked by komalbrar0987
17th May 2023,
6:15 PM
CBSE - XII Science - Physics - Current Electricity
Find the potential at point J.
Asked by nudratnigar
10th May 2022,
12:02 PM
CBSE - XII Science - Physics - Current Electricity
Write Kirchhoff's laws and establish the necessary balance condition for Wheatstone's bridge
Asked by divyabharti14042004
18th January 2022,
2:52 PM
CBSE - XII Science - Physics - Current Electricity
find the voltage across each resistor using kirchhoff rules
Asked by carthi66
11th November 2021,
2:49 PM
CBSE - XII Science - Physics - Current Electricity
when one applies kitchhoff loop rule the algebric some of the potential drops across the the cell the resistore is zero why I right professional applications of this law
Asked by umeshts142
13th October 2021,
8:14 AM
CBSE - XII Science - Physics - Current Electricity
Find the current in each resistor
Asked by najeeb.razvi
9th August 2021,
6:45 PM
CBSE - XII Science - Physics - Current Electricity
Find the current in each branch of the circuit.
Asked by hitanshu92
9th July 2021,
10:22 PM
CBSE - XII Science - Physics - Current Electricity
Find the current in each branch of the given circuit.
Asked by hitanshu92
8th July 2021,
7:10 PM
CBSE - XII Science - Physics - Current Electricity
i want full explanation of example 157 pls help me
Asked by niveshpritmani
2nd August 2020,
11:50 AM
CBSE - XII Science - Physics - Current Electricity
A 10 V cell of negligible internal resistance in connected in parallel across a battery of emf 200 V and internal resistance 38 Ω as shown in the figure. Find the value of current in the circuit.
Asked by sakshisharma23498
12th July 2020,
9:55 PM
CBSE - XII Science - Physics - Current Electricity
kirchhoff junction rule is a reflection of
Asked by pranavhv99
12th December 2019,
10:57 AM
CBSE - XII Science - Physics - Current Electricity
Can anyone tell me the answer for this question
Asked by tomarparikshit85
5th March 2019,
6:50 PM
CBSE - XII Science - Physics - Current Electricity
In the given circuit assuming point A to be at zero potential use kirchhoff rule to determine the potential at B
Asked by rakeshraghav33
20th February 2019,
12:39 AM
CBSE - XII Science - Physics - Current Electricity
In the given circuit assuming point A to be at zero potential, use kirchhoff rule to determine the potential at point B
Asked by rakeshraghav33
20th February 2019,
12:36 AM
CBSE - XII Science - Physics - Current Electricity
how to make project on kirchhoff law
Asked by gganga
5th July 2018,
7:28 AM
CBSE - XII Science - Physics - Current Electricity
Please provide stepwise soln for this.
Asked by ayushi
3rd July 2016,
8:01 PM
CBSE - XII Science - Physics - Current Electricity
Four resistors of resistances 1 ohm, 2 ohm, 3 ohm and 4 ohm are connected in the four arms AB, BC, CD and DA of a wheatstone's network. A galvanometer of resistance 5 ohm is connected between B and D. A cell of emf 10 volts and internal resistance 1 ohm is connected between A and C. Find the voltage across the galvanometer. ( USE CRAMER'S RULE TO SLOVE THE PROBLEM)
Asked by nayonikamenon15
11th October 2015,
6:15 PM
CBSE - XII Science - Physics - Current Electricity
State the two Kirchhoff’s rules used in electric networks. How are there rules justified?
Asked by Topperlearning User
8th July 2015,
1:26 PM
CBSE - XII Science - Physics - Current Electricity
what are sign conventions of kirchoffs rule give alll in order to understand concept properly
Asked by Farooq Ahmad Shah
14th June 2015,
9:27 PM
CBSE - XII Science - Physics - Current Electricity
The length of a potentiometer wire is 1200 cm and it carries a current of 80mA .FOR A CELL F EMF 4 V AND INTERNAL RESISTANCE 20 ohm the null point is found to be a 1000cm .If a voltmeter is connected across the cell the balancing length is decreased by 20 cm.Find i) resistance of the whole wire
ii) reading of the voltmeter
iii)resistance of voltmeter
Asked by Subhashree Lenka
14th May 2015,
7:38 PM
CBSE - XII Science - Physics - Current Electricity
In the circuit shown, R1 = 4 Ω, R2 = R3 =15 Ω, R4 = 30 Ω and E = 10 V. Calculate the equivalent resistance of the circuit and the current in each resistor.
Asked by Topperlearning User
27th April 2015,
3:18 PM
CBSE - XII Science - Physics - Current Electricity
State Kirchhoff's rules of current distribution in an electrical network.Using these rules determine the value of the current I1 in the electric circuit given below.
Asked by Topperlearning User
27th April 2015,
3:15 PM
CBSE - XII Science - Physics - Current Electricity
A 5 V battery of negligible internal resistance is connected across a 200 V battery and a resistance of 39 Ω as shown in the figure. Find the value of the current.
Asked by Topperlearning User
27th April 2015,
3:13 PM
CBSE - XII Science - Physics - Current Electricity
In the given network find the value of if the values of current I1 = 1 A, I2 = 2 A, I3 = 4 A, I8 = 5 A
Asked by Topperlearning User
27th April 2015,
3:06 PM
CBSE - XII Science - Physics - Current Electricity
12 wires, each of resistance r ohms are connected to form a cube. What is the equivalent resistance of the cube when current enters through one corner and leaves from diagnally opposite corner.
Asked by Topperlearning User
27th April 2015,
3:02 PM
CBSE - XII Science - Physics - Current Electricity
A battery of 6 Volts emf and 0.5 ohm internal resistance is joined in parallel with another 10 volts emf and 1 ohm internal resistance. The combination is used to send a current through an external resistance of 12 ohm. Calculate, by application of Kirchhoff's law the current through each battery.
Asked by Topperlearning User
27th April 2015,
3:00 PM
CBSE - XII Science - Physics - Current Electricity
State the difference between Kirchhoff's first law and Kirchhoff's second law.
Asked by Topperlearning User
27th April 2015,
2:58 PM
CBSE - XII Science - Physics - Current Electricity
In this circuit, 5 amperes current enters node B through Resistor 1 and 2.5 amperes flows through resistor 3 from Node B to Node C. a) How many amperes flow through Resistor 2? b) How much charge flows through resistor 4 in 4 seconds? Give your answer in coulombs.
Asked by Topperlearning User
27th April 2015,
2:57 PM
CBSE - XII Science - Physics - Current Electricity
(a) Apply Kirchoff's loop rule to loop 1. Write down the equation; from your equation, solve for.I1. (b) Apply Kirchoff's loop rule to loop 2. Write down the equation and solve for I2. (c) How much power is the 5 V battery putting into the circuit?
Asked by Topperlearning User
27th April 2015,
2:54 PM
CBSE - XII Science - Physics - Current Electricity
What is Kirchhoff's second law or Kirchhoff's loop law or Kirchhoff's voltage law?
Asked by Topperlearning User
27th April 2015,
2:52 PM
CBSE - XII Science - Physics - Current Electricity
What is Kirchhoff's first law, Kirchhoff's point rule, Kirchhoff's junction rule (or nodal rule), and Kirchhoff's first rule?
Asked by Topperlearning User
27th April 2015,
2:22 PM
CBSE - XII Science - Physics - Current Electricity
Two cells of emf and have interval resistance r1 and r2. Deduce an expression for equivalent emf of their parallel combination
Asked by Topperlearning User
27th April 2015,
2:07 PM
CBSE - XII Science - Physics - Current Electricity
In the figure a long uniform potentiometer wire AB is having a constant potential gradient along its length. The null point for the two primary cells of emfs and connected in the manner shown are obtained at a distance of 120 cm and 300 cm from the end A. Find (i) / and (ii) position of null point for the cell . How is the sensitivity of a potentiometer increased? OR Using Kirchoff's rules determine the value of unknown resistance R is the circuit so that no current flows through 4 Ω resistance. Also find the potential difference between A and D.
Asked by Topperlearning User
27th April 2015,
2:00 PM
CBSE - XII Science - Physics - Current Electricity
how to solve numerical based on kirchoff's law in accordance with sign convention?
Asked by Sourav Jha
16th February 2015,
10:02 AM
CBSE - XII Science - Physics - Current Electricity
here v=10V.calculate the current in all the branches using kirchoff's laws.
Asked by pragati nargotra
30th September 2014,
5:21 PM
CBSE - XII Science - Physics - Current Electricity
What are the sign conventions used for the kirchhoff's loop rule. Please suggest an easy one.
Asked by shaktiisgreat000
26th July 2014,
6:33 PM
CBSE - XII Science - Physics - Current Electricity
Find the potential difference across each cell and the rate of energy dissipation in R.
Asked by Mudita Agrawal
1st July 2014,
11:46 AM
CBSE - XII Science - Physics - Current Electricity
Will you please explain me example no.138 on page 3.81 of SL ARORA book for class 12? I couldn't directly post the question here because it has a diagram which i couldn't paste here no matter how much i tried.please help me with this question.
Asked by Mudita Agrawal
30th June 2014,
11:15 PM
