The magnetic flux throgh a coil perpendicular to the plane is changing according to the relation `phi=(3t^3+2t^2+50)Wb`. Calculate the induced current through the coil at t = 3 sec, if the resistance of the coil is `3Omega`.

The magnetic flux through a coil is varying according to the relation phi=(4t^(2)+2t-5)Wb , t measured in seconds. Calculate the induced current through the coil at t = 2s, if the resistance of the coil is 5Omega .

The magnetic flux (phi) (in Wb) linked with a 100 Omega coil changes with time t (in s) according to the relation phi=8t^(2)-2t+1 . What is the value of induced current (in A) in the coil at t = 2 s?

The magnetic flux linked with a coil is phi = (3t^2- 2t + 2) mwb. What emf is induced in the coil at t = 1 sec?—

The magnetic flux linked with a coil satisfies the relation phi=4t^(2)+6t+9 Wb where t is the time in second. The e.m.f. induced in the coil at t =2 second is

The flux through a conductor vary maintaining the-equation phi= (4t^2 + 2t-5) wb, where t = sec and the resistance of the coil is 5Omega . What is the induced current after 2sec?

A closed circular coils of average radius 10 xx 10^-2 m is placed normal in a uniform magnetic field of intensity 100 xx 10^-4 T. Determine the amount of charge flowing through the coil if it is turned through 180^@ about one of its diameters, giveii that the resistance of the coil is 2 Omega .

At time t the magnetic flux is given by- phi = 5t^3- 100t + 300 . What will.be the induced emf after 3 sec?

A circular conducting coil of radius a and resistance R is placed with its plane perpendicular to a magnetic field. The magnetic field varies with time according to the equation B=B_(0)sinomegat . Obtain the expression for the induced current in the coil.

The radius of each of two mutually perpendicular concentric coils is 2pi cm. Magnetic induction at the centre of the coils is 10^(-4)Wb.A^(-1) . If the current in the first coil be 8 A then what is the value of cuurent (in A) in the second coil? [mu_(0)=4pixx10^(-7)Wb.A^(-1).m^(-1)]

A magnetic field B= 2t + 4t^(2) (where t= time) is applied perpendicular to the plane of a circular wire of radius r and resistance R. If all the units are in SI the electric charge that flows through the circular wire during t=0s to t= 2s is