Electrostatics Question 468

Question: The charge given to a hollow sphere of radius 10 cm is $ 3.2\times 10^{19} $ coulomb. At a distance of 4 cm from its centre, the electric potential will be [MP PMT 1990]

Options:

A) $ 28.8\times {{10}^{-9}}volts $

B) $ 288volts $

C) 2.88 volts

D) Zero

Show Answer

Answer:

Correct Answer: A

Solution:

Potential is to be determined at a distance of 4 cm from centre of sphere i.e. inside the sphere.



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