The magnetic flux linked with a coil at any instant 't' is given by ϕ = 5t3 – 100t + 300, the e.m.f. induced in the coil at t = 2 second is :-–40 V40 V140 V300 V

If magnetic flux passing through a coil as a function of time is given by = (2t2 + t) Wb, then induced emf (magnitude) at t = 1 s will be ______ V

The current in a coil changes from 2 A to 10 A in 80 ms. As a result, an e.m.f of 5.0V is induced in the coil. Determine the magnitude of the self-inductance of the coil

A coil of area 50 centimeter square has 1000 turns and the magnetic field of 0.2 T is parallel to the coil, if the magnetic field is reduced to zero in 2 second, the induced emf in the coil is___________*1 point0 V1 V10 V5 V

The current in a coil of inductance 5H decreases at the rate of 2A/s. The induced e.m.f is

A coil of wire enclosing an area 100 cm2 is placed with its plane making an angle 60º with the magnetic field ofstrength 10-1T. What is the flux through the coil? If magnetic field is reduced to zero in 10-3 s, then find the inducedemf