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AP® Physics 1 & 2

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Moderate

Straight-Line Charges Net Potential

APPH12-F4CJNZ

Two charges are arranged in a straight line with point $P$, as shown in the diagram above.

What is the magnitude of the electric potential at point $P$?

A

$\cfrac { 4kQ }{ d }$

B

$\cfrac { 8kQ }{ d }$

C

$\cfrac { 8kQ }{ { d }^{ 2 } }$

D

$\cfrac { 12k{ Q }^{ 2 } }{ { d } }$