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  4. A hollow metal sphere of radius 5cm is charged such that the potential on its surface is 10V. The potential at the center of the sphere is

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Q. A hollow metal sphere of radius 5cm is charged such that the potential on its surface is 10V. The potential at the center of the sphere is

Electrostatic Potential and Capacitance

Solution:

Electric potential at any point inside a hollow metallic sphere is constant. Therefore, if potential at surface is $10 \,V$, potential at centre will also be $10\, V$.