Ten electrons are equally spaced and fixed around a circle of radius R . Relative to V = 0 at infini

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2. Electric Potential and Capacitance

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Ten electrons are equally spaced and fixed around a circle of radius $R$. Relative to $V = 0$ at infinity, the electrostatic potential $V$ and the electric field $E$ at the centre $C$ are

A

$V \ne 0$ and $\vec E \ne 0$

B

$V \ne 0$ and $\vec E = 0$

C

$V = 0$ and $\vec E = 0$

D

$V = 0$ and $\vec E \ne 0$

Solution

(b) At centre $ E = 0, V \ne 0$

Standard 12

Physics

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