Problem 11: Two point charges are located on the x-axis: Q1 Q2 is at x= 20.0cm. The total electric potential, V, produced by both charges, is found to vanish, V=0, at x=24.0cm and at x=±oo. Therefore, Q2 is +901С is at х%3D0, and (A) +2.5 µC. (В) —15. дС. (С) —2.5 дС. (D) +15. µC. (E) — 10. ДС.
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