A conducting circular loop is placed in a uniform magnetic field 0.04 
with its plane perpendicular to the magnetic field. The radius of the loop starts shrinking at 
. The induced emf in the loop when the radius is 2 cm is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
Rate of decrease in the radius of the loop is 2 
Final radius 
cm 
Initial radius 
cm 
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