Question: Two points charges (Q1 = +9x10^-9 C, Q2= -1.86x10^-9 C) are separated by a distance of r=0.8m. What is the electrical potential at the midpoint

Two points charges (Q1 = +9x10^-9 C, Q2= -1.86x10^-9 C) are separated by a distance of r=0.8m. What is the electrical potential at the midpoint of these charges, in units of N/C?

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