Three Electric Charges Q_A = Q, Q_B = -Q, and Q_C

question 6

Short Answer

Three electric charges Q_A = q, Q_B = -q, and Q_C = -2q are located at the points A (x = + a, y = 0), B (x = -a, y = 0), and C (x = 0, y = +2a) respectively. What is the value of the electric potential at the origin?

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