Solution,
Electric potential, V = kq/r
Vn = (k/R) [Q1 + Q3 + Q2/2]
Vn = (9 x 10^9/7.7)[3.53 - 2.9 + 3.1/2] x 10^-12
Vn = 0.0025 V
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Your answer is partially correct. Try again. In the figure what is the net electric potential...
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