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Grade 6Electrostatics

A hollow metal sphere of radius 5 cms is charged such that the potential on its surface is 10 volts. The potential at the centre of the sphere is
(a) zero
(b) 10 volts
(c) same as at a point 5 cms away from the surface
(d) same as at a point 25 cms away from the surface

Profile image of lokesh
12 Years agoGrade 6
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2 Answers

Profile image of Navjyot Kalra
12 Years ago

(b) The potential it the surface of a hollow or conducting sphere is same as the potential at the centre of .the

Sphere and any point inside the sphere.

Profile image of bharat bajaj
12 Years ago
The potential at the centre will be equal to at its surface. Because electric field inside = 0
Hence, b) is the answer.
THanks
Bharat Bajaj
IIT Delhi
askiitians faculty