Who among the following discovered that a wire carrying electric current can attract or repel another wire next to it that's also carrying electric current?
A.James Maxwell
B.Michael Faraday
C.Andre-Marie Ampere✓ Correct
D.Guglielmo Marconi
Explanation
Andre-Marie Ampere discovered that parallel wires carrying electric currents exert magnetic forces on each other — attracting when currents flow in the same direction and repelling when they flow in opposite directions.
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