A variable condenser is permanently connected to a battery of 100V. If the capacity is changed from 2µF to 10µF then change in energy is equal to - VgyanHub

Question:

A variable condenser is permanently connected to a battery of 100V. If the capacity is changed from 2µF to 10µF then change in energy is equal to

Options :

(a) 2 x 10^-2 J
(b) 2.5 x 10^-2 J
(c) 3.5 x 10^-2 J
(d) 4 x 10^-2 J

Answer :

(d) 4 x 10^-2 J

Answer Steps :

step 1

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