Electrostatics Question 4

Question: The capacity of a condenser is 4×106 farad and its potential is100volts . The energy released on discharging it fully will be [AFMC 1988; AIIMS 1980, 84]

Options:

A) 0.02 Joule

B) 0.04Joule

C) 0.025Joule

D) 0.05Joule

Show Answer

Answer:

Correct Answer: A

Solution:

U=12CV2=12×4×106×(100)2=0.02J



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