Questions
The magnetic flux linked with a coil (in Wb) is given by the equation . The magnitude of induced emf in the coil at the fourth second will be
detailed solution
Correct option is C
The magnitude of induced emf is given by|ε|=dϕBdt=ddt5t2+3t+16|ε|=10t+3+0 at t=4s|ε|=10×4+3|ε|=43VTalk to our academic expert!
Similar Questions
A loop, having area 20cm2, is made of thin copper wire. If is placed in a uniform magnetic field of induction 1.5 Tesla with its plane perpendicular to the field. If area of the loop increases to 30 cm2 in 0.5 second, average emf induced in the loop is
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