Question

what is the current in the loop of electric motor after every half rotation

Answer 1

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In this case, current always flows "into the page" on the right side of the loop. The batteries indicate the motor to be a DC motor hence there is no reverse flow of current at any given time. ... Ideally you wan the current to reverse at every half cycle of the rotating wire loop.

Answer 2

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In this case, current always flows "into the page" on the right side of the loop. The batteries indicate the motor to be a DC motor hence there is no reverse flow of current at any given time. ... Ideally you wan the current to reverse at every half cycle of the rotating wire loop.