The potential of a spherical conductor of radius $3 m$ is $6 V$ . The potential at its centre is

zero

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2 V

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6 V

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18 V

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Solution

The correct option is A zero
For a spherical conductor, the charges reside on its surface. So, the potential of its centre is zero.

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A hollow metal sphere of radius 20 cm is charged such that the potential on its surface is 120 Volt. The potential at the centre of the sphere is

R_{1}

V_{1}

R_{2}

V_{2}

(R_{2} > x > R_{1})

Electric potential at the centre of a charged hollow spherical conductor is:

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