Question

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

Answer 1

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.

Answer 2

The correct answer is:

D. A difference in electric potential.

A difference in electric potential is required for an electric charge to flow through a wire.

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