A point charge of +3.0 mC is located at the origin of a coordinate system and a second point charge of -9.0 mC is at x = 1.0 m. At what point on the x axis is the electrical potential zero?
a. +0.33 m
c. +0.25 m
b. -0.25 m
d. +0.75 m
C
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What will be an ideal response?
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