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what will be needed to start or stop the flow of the electric current through his circuit?

A- copper wire
B-batteries
C- an energy source
D- a switch

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Chaniyahb05

A copper wire

Explanation:Three items are needed to generate an electric current: a supply of free-flowing electric charges (electrons), some sort of push to pass the charges through the circuit, and a path to carry the charges. A copper wire is typically used to hold the charges.

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