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in Physics by (92.7k points)
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`

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1 Answer

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

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