1. Two pointlike charges of Q, and Q3 are located at (0, 0.15m) and (0.30m, 0) as shown in the right figure. Q=+1 µC, Q3=-3 µC. (a) Find the total electric potential at the origin produced by the two pointlike charges (Q, and Q3) in the figure. (b) Find the electric potential energy on a charge of Q,=-1µC placed at the origin. 0.15 m 0.30 m
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