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What is required for an electric charge to flow through a wire?
zero resistance in the wire
a balance of electric potential
high resistance in the wire
a difference in electric potential
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A difference in electric potential.
A potential difference (voltage) creates an electric field in the wire that drives charge flow (current). Equal potentials produce no net current; resistance only affects the amount of current for a given voltage.
A potential difference (voltage) creates an electric field in the wire that drives charge flow (current). Equal potentials produce no net current; resistance only affects the amount of current for a given voltage.
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