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

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Electromagnetism is an interaction that occurs between particles with electric charge via electromagnetic fields. The electromagnetic force is one of the four fundamental forces of nature. It is the dominant force in the interactions of atoms and molecules.


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