Concept: Electric Potential

A:

 [+Q +q]

B:

 [+Q -q]

Two test charges are brought to the same distance from a charge +Q. The test charge in A is +q; in B it is -q. In which case does the test charge experience a larger electric potential?

Adapted from a Mazur ConcepTest.

"http://www.physics.udel.edu/~watson/phys208/concept2.html"
Last updated Sept. 7, 1997.
Copyright George Watson, Univ. of Delaware, 1997.