A hollow metallic sphere of radius R is given a charge Q. The potential at its centre is

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\frac{1}{4 π ϵ_{0}} . \frac{Q}{R}

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\frac{1}{4 π ϵ_{0}} . \frac{2 Q}{R}

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\frac{1}{4 π ϵ_{0}} . \frac{Q}{2 R}

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Solution

The correct option is B $\frac{1}{4 π ϵ_{0}} . \frac{Q}{R}$
Potential any where inside the hollow conducting sphere, including the centre is $V = \frac{1}{4 π ϵ_{0}} \frac{Q}{R}$ .

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A hollow metallic sphere of radius R is given a charge Q. The potential at its centre is

The correct option is B 14πϵ0.QRPotential any where inside the hollow conducting sphere, including the centre is V=14πϵ0QR.

The correct option is B $\frac{1}{4 π ϵ_{0}} . \frac{Q}{R}$
Potential any where inside the hollow conducting sphere, including the centre is $V = \frac{1}{4 π ϵ_{0}} \frac{Q}{R}$ .