A circular brass loop of radius a and resistance R is placed with it plane perpendicular to a magnetic field, which varies with time as `B = B_(0) sin omega t`. Obtain the expression for the induced current in the loop.

A circular brass loop of radius a and resistance R is placed with its plane perpendicular to the magnetic field which varies with time as B=B_0 sin omegat . Obtain an expression for the induced current in the loop.

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.

A conducting metal circular-wire-loop of radius r is placed perpendicular to a magnetic field which varies with time as B = B_0e^(-t//tau) , where B_0 and tau are constants, at time = 0. If the resistance of the loop is R then the heat generated in the loop after a long time (t to oo) is :

A conducting metal circular-wire-loop of radius r is placed perpendicular to a magnetic field which varies with time as B = B_0e^(-t//tau) , where B_0 and tau are constants, at time = 0. If the resistance of the loop is R then the heat generated in the loop after a long time (t to oo) is :

A conducting metal circular-wire-loop of radius r is placed perpendicular to a magnetic field which varies with time as B = B_0e^(-t//tau) , where B_0 and tau are constants, at time = 0. If the resistance of the loop is R then the heat generated in the loop after a long time (t to oo) is :

A circular wire loop of radius r lies in a uniform magnetic field B, with its plane perpendicular to magnetic field. If the loop is deformed to a square shape in the same plane in time t, the emf induced in the loop is

A conducting circular loop of radius a and resistance R is kept on a horizontal plane. A vertical time varying magnetic field B=2t is switched on at time t=0. Then

A conducting loop of area A is placed in a magnetic field which varies sinusoidally with time as B=B_(0)sin

A circular loop of radius R carrying a current is placed in a uniform magnetic field with its plane perpendicular to B. The force on the loop is

A uniform circular loop of radius a and resistance R palced perpendicular to a uniform magnetic field B . One half of the loop is rotated about the diameter with angular velocity omega as shown in Fig. Then, the current in the loop is