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# Where is V Zero On A Line 2

APPHEM-LWCRV1

The diagram shows two charges $+3Q$ and $-Q$ that are isolated from other sources of charge. The line connecting the two charges is also shown, and four points of interest are labeled. The two charges create an electric potential in the region around them.

At which points on the line is the electric potential zero?

A

1 and 2

B

3 and 4

C

2 and 3

D

1 and 4

E

Nowhere