Question

(a) Plot the potential of a uniformly charged 1-m rod with 1 C/m charge as a function of the perpendicular distance from the center. Draw your graph from s=0.1m to s=1.0m (b) On the same graph, plot the potential of a point charge with a 1-C charge at the origin. (c) Which potential is stronger near the rod? (d) What happens to the difference as the distance increases? Interpret your result.

Answer 1

Ans: ( a ) & ( b )

Ans : (C) The point charge potential is stronger near the rod.

Ans : (D) As the distance increases uniformly charged rod potential converges to that of a point charge. Over large distance they become similar, where the magnitude of the charge matters far more than the configuration and charge density.

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