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12 electrons are equally spaced and fixed around circle of radius 0.5 cm.

A) Relative to V = 0 at infinity, what are the electric potential and electric field at the center C of the circle due to these electrons?

B) If the electrons are moved along the circle until they are non uniformly spaced over a 120 degree arc, what then is the potential at C?

C) How does the electric field at C change (if at all)? Describe

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Category:- Physics
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