Answered: Calculate the electric potential at…

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Answer is in volts.

Do I use the potential difference formula here, or voltage due to a point charge? I'm feeling lost on where to begin. It'd really help to see this worked out.

Thank you

+2×10 C
3m
+2×10¹C
4m
E
-2x10 C
-2x10 C
Calculate the electric potential at point A.

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Calculate the electric potential at point A