Electrostatics Question 625

Question: A series combination of three capacitors of capacities 1μF,2μF and 8μF is connected to a battery of e.m.f. 13 volt. The potential difference across the plates of 2μF capacitor will be [MP PET 2003]

Options:

A) 1V

B) 8V

C) 4V

D) 133V

Show Answer

Answer:

Correct Answer: C

Solution:

1Ceq=11+12+18Ceq=813μF

Total charge Q=CeqV=813×13=8μC

Potential difference across 2mF capacitor =82=4V



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