EASY
Earn 100

A unit charge is moved in a circular path of radius having a point charge at the centre. The work done in one complete rotation is
(a)
(b)
(c)
(d)

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Important Questions on Electrostatic Potential and Capacitance
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Four capacitors with capacitances , and are connected as shown and are connected to a volt source. The potential difference between points and is:

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A charge Q is uniformly distributed over a long rod AB of length L as shown in the figure. The electric potential at the point O lying at a distance L from the end A is :

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HARD
A total charge is uniformly distributed over a long rod of length as shown in the figure below. The electric potential at the point lying at a distance from the end is

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HARD

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The total potential at a point at distance from their common centre, where would be:

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