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Current Electricity Free Doubts and Solutions

CBSE - XII Science - Physics - Current Electricity

To find the power when capacitors are given 

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Asked by alanpeter9611 1st March 2019, 12:39 AM
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CBSE - XII Science - Physics - Current Electricity

You are going in a car.It is about to lightning,how will you protect yourself?

Asked by agarrajeev06 9th January 2019, 5:17 PM
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CBSE - XII Science - Physics - Current Electricity

Series combination of 2 resistors R and r is connected to constant voltage source Find the value of the resistance S which should be connected in parallel with r so that current through r becomes half the previous value

Asked by manasd 6th November 2016, 9:40 PM
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CBSE - XII Science - Physics - Current Electricity

Sir, I find difficulty in understanding the given answer.Can you please simplify and explain it?

Asked by Rajeev 19th February 2016, 9:12 PM
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CBSE - XII Science - Physics - Current Electricity

how do we find the internal resistance of the circuit having simultaneous resistors and capacitors of unequal capability serially. Is there a nessacity of integration ?

Asked by ganapativrevankar 22nd January 2016, 3:43 PM
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CBSE - XII Science - Physics - Current Electricity

If the number of divisions of a galvanometer is changed, how does the figure of merit change?

Asked by Navya Benny 17th January 2016, 5:23 PM
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CBSE - XII Science - Physics - Current Electricity

Which terminal of the galvanometer should be connected towards jockey in potentiometer experiment?

Asked by joykphukan 12th January 2016, 9:41 PM
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CBSE - XII Science - Physics - Current Electricity

Resistivity of the material of a conductor of uniform cross section varies along its length as : p = p°(1+@x). Find its resistance if its length is L and area of cross section is A.
 
Please explain stepwise. Didn't gott right.

Asked by abhinavsaini123 1st September 2015, 7:17 PM
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CBSE - XII Science - Physics - Current Electricity

I want the circuit diagrams and some information about it.

Asked by hasanali.ali986 20th May 2015, 11:27 AM
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