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A condenser of capacity 40muF is cahrged...

A condenser of capacity `40muF` is cahrged to a potential of 1 KV. What is the work done in raising the potential ?

A

5 J

B

10 J

C

20 J

D

30 J

Text Solution

Verified by Experts

The correct Answer is:
C
Work done`=(1)/(2)CV^(2)`
`=(1)/(2)xx40xx10^(-6)xx10^(3)xx10^(3)=20J`
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