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# Ac Applied Across Capacitor Free Doubts and Solutions

## can a capacitor of suitable capacitance be used in an ac circuit in place of the choke coil

Asked by vinodjoshi112233 8th September 2017, 2:45 PM

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## Please suggest some tips on how to solve derivation questions or ho to derive formula.These type of questions are frequently asked in the exams but Iam unable solve them.Please help me.

Asked by sunil2791 29th July 2017, 11:00 AM

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## Can you list me all Indian colleges offering B.Sc research (physics).

Asked by sourabh7jain 30th December 2016, 7:06 PM

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## 100 V ac is applied to a capacitor and resistance of 10 ohm in series. If rms voltage drop across capacitor is 60 V then find the rms value of current in the circuit.

Asked by Pragnya Kar 30th March 2016, 12:51 AM

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## actually my doubt is from rms ... the time taken by current to reach zero value to rms value?and how?

Asked by Ram 5th February 2016, 11:20 AM

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## when an AC source is connected to an ideal capacitor show that the average  power supplied by the source over a complete cycle is zero?

Asked by vaishalikumar68 2nd January 2016, 12:39 PM

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## An electric lamp having coil of negligible inductance connected in series with a capacitor and an AC source is glowing with certain brightness. How does the brightness of the lamp change on reducing the (i) capacitance, and (ii) the Frequency? Justify your answer.

Asked by Topperlearning User 22nd June 2015, 11:33 AM

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## What is the dimensional formula of ?

Asked by Topperlearning User 22nd June 2015, 9:58 AM

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## What is the phase difference between the current and e.m.f. when we an a.c. source of 220 V and 50 Hz is connected to (a) Resistor (b) Capacitor

Asked by Topperlearning User 22nd June 2015, 9:57 AM

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## What is the dimension of time constant of R-C circuit?

Asked by Topperlearning User 22nd June 2015, 9:52 AM

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## What are the advantages of a.c. over d.c.?

Asked by Topperlearning User 22nd June 2015, 9:51 AM

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## There are two capacitors A and B. Frequency of A is double than that of B but the capacitance is same. Find the ratio of there rectances.

Asked by Topperlearning User 22nd June 2015, 9:50 AM

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## What is Wattless Current or Idle Current?

Asked by Topperlearning User 22nd June 2015, 9:49 AM

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## Prove: Average power/cycle associated with a condenser over a complete cycle is 0.

Asked by Topperlearning User 22nd June 2015, 9:47 AM

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## Condenser blocks d.c. Prove.

Asked by Topperlearning User 22nd June 2015, 9:36 AM

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## Calculate the frequency of a 5×10-6 F capacitor with 0.032 Ω reactance.

Asked by Topperlearning User 22nd June 2015, 9:36 AM

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## Deduce that. in a.c. circuit capacitor only current leads the alternating e.m.f by a phase angle of 90º.

Asked by Topperlearning User 22nd June 2015, 9:32 AM

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## Respected Sir/Mam This question is from previous year.   A liquid is flowing in streamline manner in a pipe 1 with rate of x. If the same liquid is flowing in a pipe of radius half of pipe 1 and length twice the pipe 1 with same pressure difference , what will be the rate of flow of liquid for this pipe?

Asked by Kb Aulakh 27th April 2015, 11:41 PM

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## Respected Sir/Mam This question is not from above mentioned topics , it is from previous year. Q. A particle moves in x-y plane under the influence of a force such that its linear momentum is p(t)=[i  cos (t)- j sin (alpha t)] beta , where alpha and beta are constants. What is the angle between force and momentum?

Asked by Kb Aulakh 27th April 2015, 11:20 PM

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## show digramatically how an alternating emf is generated by a loop of wire rotating in  a magnatic field . write the expression for the instantanneous value of the emf induced in the rotating loop.

Asked by Kb Aulakh 6th March 2015, 7:18 PM

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## what is the difference in flow of electron in wire carrying ac

Asked by amanj 2nd January 2015, 7:11 AM

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