Question: A charge q is at x = 0 and a charge 3q is at x = 1 m. (a) Find V(x) for a general point

A charge q is at x = 0 and a charge –3q is at x = 1 m.

(a) Find V(x) for a general point on the x axis.

(b) Find the points on the x axis where the potential is zero.

(c) What is the electric field at these points?

(d) Sketch V(x) versus x.

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