Answer:
Explain why potential difference is necessary to produce current in a circuit. ... When the potential difference is more, the number of electrons drift is more and produces more charge in motion. Since the current is the rate of flow of charge, more current will produced for more potential difference across the wire.Electric potential difference is a measure of the strength of this force, divided by the amount of electric charge being acted upon. As such electric potential differences are needed to make electrons move, i.e. create electricity, because the potential represents the force needed to get past Newtons first law.
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