# Choose the correct option: A rectangular coil of copper wires is rotated in a magnetic field. The direction of the induced current changes once in eac

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Choose the correct option:
A rectangular coil of copper wires is rotated in a magnetic field. The direction of the induced current changes once in each:
A. (1)/(4)revolution
B. (1)/(2)revolution
C. 1revolution
D. 2revolution

by (93.3k points)
Correct Answer - B
This is the case of periodic EMI