Electrostatics Question 102

Question: The capacity of a parallel plate condenser is 15μF , when the distance between its plates is 6 cm. If the distance between the plates is reduced to 2 cm, then the capacity of this parallel plate condenser will be [AFMC 2000]

Options:

A) 15μF

B) 30μF

C) 45μF

D) 60μF

Show Answer

Answer:

Correct Answer: C

Solution:

C1d

C1C2=d2d1

therefore 15C2=26

therefore C2 = 45mF



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