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A capacitor of 50 muF is charged to 10 v...

A capacitor of 50 `mu`F is charged to 10 volts. Its energy in joules is

A

`2.5 xx 10^(-3)`

B

`5 xx 10^(-3)`

C

`10 xx 10^(-4)`

D

`2.5 xx 10^(4)`

Text Solution

Verified by Experts

The correct Answer is:
A, B, C

`U = (1)/(2) CV^(2) = (1)/(2) xx 50 xx 10^(-6) xx (10)^(2) = 2.5 xx 10^(-3)` J
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FULL MARKS-ELECTROSTATICS -ADDITIONAL QUESTIONS SOLVED ( Multiple choice questions : )
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  19. An electric dipole has the magnitude of its charge as q and its dipole...

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