A reacangular loop if size `(2m xx 1m)` is placed in x-y plane. A uniform but time varying magnetic field of strength T where t is the time elsapsed in second exists in sosace. The magnitude of induced emf (in V) at time t is

A rectangular loop of sides a and b is placed in xy -placed. A uniform but time varying magnetic field of strength B=20thati+10t^2hatj+50hatk is present in the region. The magnitude of induced emf in the loop at time is

A rectangular loop of sides a and b is placed in xy -placed. A uniform but time varying magnetic field of strength B=20thati+10t^2hatj+50hatk is present in the region. The magnitude of induced emf in the loop at time is

A rectangular loop of sides of length l and b is placed in x-y plane. A uniform but time varying magnetic field of strength vec B = 20 t hat i +10 t^2 hat j+50 hat k where t is time elapsed. The magnitude of induced emf at time t is:

A rectangular loop os sides of length l an db is placed in x-y plane. A uniform but it me varying manetic field of strength exists in space. The magnitude of induced e.m.f. at time t is:

The magnetic flux linked with the coil varies with time as phi = 3 t^2 + 4t + 9 . The magnitude of induced emf at t = 2 second is

A square loop of side 'a' is placed in x-y plane as shown in figure. In this region there is non-uniform time dependent magnetic field vec B= (cy^3 t^2) veck , [where t is time and c is constant] then magnitude of emf induced in loop is

A square loop of side 'a' is placed in x-y plane as shown in figure. In this region there is non-uniform time dependent magnetic field vec B= (cy^3 t^2) veck , [where t is time and c is constant] then magnitude of emf induced in loop is

Magnetic flux (in Wb) linked with a closed loop varies with time (in S) as Φ =2t^2+1. The magnitude of induced emf at t=1 s is