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Class 12 NEET Physics Electromagnetic Induction and Alternating Currents
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Question : 68
Total: 114
A rectangular, a square, a circular and an elliptical loop, all in the (x-y) plane, are moving out of a uniform magnetic field with a constant velocity,
→
V
=
v
∧
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
(2009)
the circular and the elliptical loops
only the elliptical loop
any of the four loops
the rectangular, circular and elliptical loops
Validate
Solution:
Once a rectangular loop or a square loop is being drawn out of the field, the rate of cutting the lines of field will be a constant for a square and rectangle, but not for circular or elliptical areas.
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