Q. A hollow metal sphere of radius 10 cm is charged such that the potential on its surface becomes 80V. The potential at the centre of the sphere is

A) 80 V
B) 800 V
C) 8 V
D) Zero
Explanation

(a) The potential at the centre of the sphere is 80 V because it remains same at each point under the metallic hollow sphere.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.