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Standard XIII

Physics

Electric Potential at a Point in Space Due to a Point Charge Q

Ten electrons...

Question

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

V \neq 0

and

⇀ E \neq 0

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V \neq 0

and

⇀ E = 0

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V = 0

and

⇀ E = 0

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V = 0

and

⇀ E \neq 0

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Solution

The correct option is B $V \neq 0$ and $⇀ E = 0$
At centre E = 0 due to symmetry of distribution of charges where as, $V \neq 0$

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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

The correct option is B V≠0 and ⇀E=0At centre E = 0 due to symmetry of distribution of charges where as, V≠0

The correct option is B $V \neq 0$ and $⇀ E = 0$
At centre E = 0 due to symmetry of distribution of charges where as, $V \neq 0$