A coil having an area `A_(0)` is placed in a magnetic field which changes from `B_(0)` to `4B_(0)` in time interval t. The emf induced in the coil will be

A coil having an area A_(0) is placed in a magnetic field which changes from B_(0) to 4B_(0) in a time interval t . The e.m.f. induced in the coil will be

A coil having area A​_(0) is placed in a magnetic field which changes from B_(​0) to 4B_(​0) in 't' seconds, as shown in the figure. The induced emf will be :-

A coil having an area 2 m^(2) is placed in a magnetic field which changes from 1 wb//m_(2) n interval of 2s. The e.m.f. induced in the coil is:

A coil having an area 2m^2 is placed in a magnetic field which changes from 1wb//m^2 to 4wb//m^2 in an interval of 2 second. The e.m.f. induced in the coil will be

A coil having an area of 2m^(2) is placed in a magnetic field which changes from 2 Wb//m^(2) to 5Wb//m^(2) in 3 seconds. The e.m.f. Induced in the coil is