Radius of a circular loop placed in a perpendicularuniform magnetic fi – InterviewSolution

1.	Radius of a circular loop placed in a perpendicularuniform magnetic field is increasing at a constantrate of r m s1. If at any instant radius of the loopis r, then emf induced in the loop at that instant willbe(1) -2Brr(2) -2Bru(3) -BTuof(4) -2BTrf
Answer» Radius of a circular loop placed in a perpendicularuniform magnetic field is increasing at a constantrate of r m s1. If at any instant radius of the loopis r, then emf induced in the loop at that instant willbe(1) -2Brr(2) -2Bru(3) -BTuof(4) -2BTrf

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