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5. (a) Point A is 1 mm away from a proton, and point B is 0.1...

5. (a) Point A is 1 mm away from a proton, and point B is 0.1 mm away from the same proton.

(i) What is the electric potential at point A and point B due to the proton?

(ii) What is the electric potential difference between point A and point B?

(b) Sketch the electric equipotential lines for: Positive charge, Negative charge, Positive charge & negative charge, Positive charge & Negative charge on rectangular bar.

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