Four points a, b, c and d are set at equal distance from the centre of a dipole as shown the figure. The electrostatic potential Va,Vb,Vc, and Vd would satisfy the following relation :
A
Va>Vb>Vc>Vd
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B
Va>Vb=Vd>Vc
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C
Va>Vc=Vb=Vd
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D
Vb=Vd>Va>Vc
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Solution
The correct option is BVa>Vb=Vd>Vc
Here distance between a and +q= distance between C and −q=y1 (say);
distance between a and −q= distance between C and +q=y2