A stationary circular loop of radius a is located in a magnetic field which varies with time from `t = 0 to t = T` according to law `B = B_(0) t(T - t)`. If plane of loop is normal to the direction of field and resistance of the loop is R, calculate
amount of heat generated in the loop during this interval.

A stationary circular loop of radius a is located in a magnetic field which varies with time from t = 0 to t = T according to law B = B_(0) t(T - t) . If plane of loop is normal to the direction of field and resistance of the loop is R, calculate magnitude of charge flown through the loop from instant t = 0 to the instant when current reverses its direction.

A stationary circular loop of radius a is located in a magnetic field which varies with time from t = 0 to t = T according to law B = B_(0) t(T - t) . If plane of loop is normal to the direction of field and resistance of the loop is R, calculate magnitude of charge flown through the loop from instant t = 0 to the instant when current reverses its direction.

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 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.

Magnetic flux through a stationary loop with a resistance R varies during the time interval tau" as "phi=alphat(tau-t) where alpha is a constant. Calculate the amount of heat generated in the loop during the time interval tau .

A conducting circular loop is placed in a magnetic field of strength 0.04 T, such that the plane of the loop is perpendicular to the magnetic field. If the radius of the loop begins to shrink at a constant rate of 0.5 mm // s , then calculate the emf induced in the loop when its radius is 1.5 cm.

A square loop of side 20 cm and resistance 0.30 Omega is placed in a magnetic field of 0.4 T. The magnetic field is at an angle of 45^(@) to the plane of loop. If the magnetic field is reduced to zero in 0.5 s, then find the induced emf and induced current in the loop in this time interval.

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.