Question

At the distance of 5 cm and 10 cm from surface of a uniformly charged solid sphere , the potentials are 100 V and 75 V respectively . Then which of the following statements are correct 1. Potential at it's surface is 150 V 2.The charge on the sphere is 503×10−10C 3.Electric field on the surface is 1500V/m 4.Electric potential it's centre is 25V

Answer 1

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