Electrostatics Question 429

Question: A hollow conducting sphere of radius R has a charge (+Q) on its surface. What is the electric potential within the sphere at a distance r=R3 from its centre [MP PMT 2001; UPSEAT 2001; MP PET 2001, 02; Orissa JEE 2005]

Options:

A) Zero

B) 14πε0Qr

C) 14πε0QR

D) 14πε0Qr2

Show Answer

Answer:

Correct Answer: C

Solution:

Inside a conducting body, potential is same everywhere and equals to the potential of it’s surface



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