Question

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

A
80V
B
800V
C
8V
D
Zero

Solution

The correct option is A $$80$$VThe potential at the centre of the sphere is $$80$$V because it remains same at each point under the metallic hollow sphere.Physics

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