The magnetic flux linked with a coil at any instant ?t? is given by f – McqOptions

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1.	The magnetic flux linked with a coil at any instant ?t? is given by f = 5t3 ? 100t + 300, the e.m.f. induced in the coil at t = 2 second is [KCET 2003]
A.	? 40 V
B.	40 V
C.	140 V
D.	300 V
Answer» C. 140 V

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