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+1 vote
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in Physics by (93.7k points)
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The capacity of a condenser is `4 xx 10^(6)` farad and its potential is `100` volts. The energy released on discharging it fully will be
A. `0.02 J`
B. `0.04 J`
C. `0.025 J`
D. `0.05 J`

1 Answer

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Best answer
Correct Answer - A
`U = (1)/(2) CV^(2) = (1)/(2) xx 4 xx 10^(-6) xx (100)^(2) = 0.02 J`

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