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A rectangular, a square, a circular and an elliptical loop, all in the XY-plane, are moving out of a uniform magnetic field with a constant velocity `v=uhat"I"`. The magnetic field is directed along the negative Z-axis direction. The induced emf during the passage of these loops, out of the field region, will not remain constant for

A

The circular and the elliptical loops

B

Only the elliptical loop

C

Any of the for loops

D

The rectangular, circular and elliptical loops

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A
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