The charge given to a hollow sphere of radius 10 cm is 3.2×…

Physics Electrostatics Potential & Capacitance Electric Field and Potential,Defference,Energy and Dipole Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: September 12, 2026

The charge given to a hollow sphere of radius 10 cm is 3.2×10 –19 coulomb. At a distance of 4 cm from its center, the electric potential will be

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

288 volts

2.88 volts

Zero

Text Solution

Verified by Experts

The correct answer is:

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

$V = \frac{kq}{r} = \frac{9 \times 10^{9} \times 3.2 \times 10^{-19}}{10 \times 10^{-2}} = 28.8 \times 10^{-9} \text{ volts}$

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