Question

A parallel plate capacitor has plate area and separation  . It is charged to a potential difference . The charging battery is disconnected and the plates are pulled apart to three times the initial separation. The work required to separate the plates is:

A

B

C

D

Medium

Solution

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Correct option is D)

Here, 
where,
             
                        =
So,

Solve any question of Electrostatic Potential and Capacitance with:-

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