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Electromagnetic Field Theory - Engineering

Q1:

In a 100 turn coil, if the flux through each turn is (t3 - 2t)mWb, the magnitude of the induced emf in the coil at a time of 4 sec is

A 46 mV

B 56 mV

C 4.6 V

D 5.6 V

ANS:C - 4.6 V

E = 100 (3t2 - 2) 100(46) 4600 mV 4.6 V.