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## Homework Statement

. Homework Statement

If the electric field does negative work on a negative charge as the charge undergoes a displacement from position a to b within an electric field then the electrical potential energy is?

ANSWER: positive

## Homework Equations

none

## The Attempt at a Solution

So I know that W = -deltaU, and thus, if we have a negative coefficient for W, we would get a positive coefficient for deltaU, resulting in positive electrical potential energy.

How could I think this problem through if I completely forgot the equation and just thought conceptually?

Thanks in advance!