The magnetic flux through a coil perpendicular to its plane and directed into paper is varying according to the relation `phi = (5 t^(2) + 10 t + 5)` milliweber. Calculate the e.m.f. induced in the loop at `t = 5` s.

The magnetic flux through a coil perpendicular to its plane and directed into paper is varying according to the relation phi = (5 t^(2) + 10 t + 5) milliweber. Calculate the e.m.f. induced in the loop at t = 2s, if the resistance of the coil is 5 ohm.

The magnetic flux through a coil perpendicular to its plane and directed into the paper is varying according to the relation, phi=(2t^3- t^2- 3t+ 5) Wb. Calculate the e.m.f. induced in the coil at t = 2s.

The magnetic flux through a coil perpendicular to its plane and directed into the paper is varying according to the equation phi = (2t^3 -6t^2-t + 8) Wb. Calculate the e.m.f. induced in the coil at t = 3s.

The magnetic flux through a coil perpendicular to its plane and directed into paper varying according to the relation phi= (5t^2+10t+5) mWb. Calculate the emf induced at t= 5 sec.

The magnetic flux through a coil perpendicular to its plane and directed into the paper is varying according to the relation, phi= (3t^3+2t^2 +4t+6) Wb. Calculate the e.m.f. induced in the coil at t = 2s.