Electric Potential of Two Point Charges
Two point charges, +3q and -q, are separated by a distance d. At which point on the line connecting the charges is the total electric potential zero?
A
At a distance 2d/3 from +3q
B
At a distance d/2 from +3q
C
At a distance 3d/4 from +3q
D
At a distance d/4 from +3q
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