Question

Three charged particles having charges q, -2q & q are placed in a line at points (-a, 0), (0, 0) & (a, 0) respectively. The expression for electric potential at P(r, 0) for r > > a is

A

B

C

D

Hard

Solution

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Correct option is
B

Electric potential is given by, , where Β 

Total electric potential at point P,









Since, ,Β 



Solve any question of Electrostatic Potential and Capacitance with:-

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