APFIVE Electric Potential of Multiple Point Charges
Three point charges are arranged in a straight line. Charge q₁ = +2.0 μC is at x = 0 m, charge q₂ = -3.0 μC is at x = 2.0 m, and charge q₃ = +1.0 μC is at x = 5.0 m. At what position on the x-axis is the electric potential equal to zero?
A
x = -1.5 m
B
x = 3.5 m
C
x = 20 m
D
x = 7.0 m
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