A coil having effective area A is held with its plane normal to a magnetic field of induction B. The magnetic induction is quickly reduced of `25%` of its initial value in 1s. The e.m.f. Induced across the coil will be

A coil having effective area A, is held with its plane normal to a magnetic field of induction B. The magnetic induction is quickly reduced to 25% of its initial value in 2s . Then e.m.f. induced across the coil will be

A coil of effective area 4m^2 is placed at right angles to a magnetic field of induction 0.05Wb//m^2 . If the field is decreased to 20% of its original value in10 seconds, find the e.m.f. induced in the coil.

A coil of effective area 2m^(2) is placed at right angles to a uniform magnetic field of induction B. When the field reduces to ten percent of its original value in 0.6 sec, an e.m.f. Of 0.24 V is induced in it. The magnetic of magnetic induction (B)is

A coil having 50 turns and an area of 800cm^2 is held with its plane perpendicular to uniform magnetic field of induction 5 xx 10^-5 Wb/m^2 .If it is pulled out of the field in 2 second ,then the e.m.f.induced in the coil will be

A coil of effective area 2m^2 is placed at right angles to a magnetic field of induction 0.08 Wb//m^2 . Find the e.m.f. induced in it if the field reduces to ten percent of its original value in 0.6s

A coil of effective area 4m^(2) is placed with its plane perpendicular to magnetic induction of 0.04 Wb//m^(2) . The induced emf in the coil if magnetic induction reduces to (1//4)^(th) of its original value in 0.5 s will be

A coil having 50 turns and an area of 800 cm^(2) is held with its plane perpendicular to uniform magnetic field of induction 5xx10^(-5)Wb//m^(2) . If it is pulled out of the field in 2 second, then the emf induced in the coil will be

A coil of area A is placed in the X-Y plane. A uniform magnetic field B_0hati established. The emf induced in the coil is ____