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