What is required for an electric charge to flow through a wire?

a) zero resistance in the wire

b) a balance of electric potential

c) high resistance in the wire

d) a difference in electric potential

In order to persuade the electrons in the wire to flow, you need

a potential difference between the ends of the wire. Then the

electrons will want to get away from the more-negative end and

go to the more-positive end. If both ends of the wire are at the

same potential, then the electrons have no reason to go anywhere,

and they just stay where they are.

Choice-d says this.