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A 700 pF capacitor is charged by a 50 V ...

A 700 pF capacitor is charged by a 50 V battery. The electrostatic energy stored it is

A

`13.6xx10^(-9)J`

B

`17.0xx10^(-8)J`

C

`8.7xx10^(-7)J`

D

`9.5xx10^(-9)J`

Text Solution

Verified by Experts

The correct Answer is:
C

`E=(1)/(2)CV^(2)`
`=(1)/(2)xx700xx10^(-12)xx50xx50`
`=87.5xx10^(-8)`
`=8.75xx10^(-7)Junderset(.)overset(.)(=)8.7xx10^(-7)J`
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