ElectroMagnetic InductionMedium
Question
The radius of a coil decreases steadily at the rate of 10-2 m/s. A constant and uniform magnetic field of in-duction 10-3 Wb/m2 acts perpendicular to the plane of the coil. The radius of the coil when the induced e.m.f. in the coil is 1μV, is : -
Options
A.
B.
C.
D.
(πr2B) = 2πrB
⇒ r = 
⇒ r = 
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