Answered: Part A in the figure, a copper bar is… | bartleby

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Part A
In the figure, a copper bar is in contact with a pair of parallel metal rails and is in motion with velocity U. A uniform magnetic field is present as shown. The bar, the rails, and the resistor R are all in the same plane. The
induced current through the resistor R is
OB
O from b to a
O from a to b.
O There is no induced current through the resistor.

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