A search coil having 2000 turns with area`1.5 cm^2` is placed in a magnetic field of 0.60T. The coil is moved rapidly out of the field in a time of 0.2 second.Calculate the induced emf across the search coil.

A conducting loop of area 1m^2 is placed normal to uniform magnetic field 3Wb//m^2 . If the magnetic field is uniformly reduced to 1 Wb// m^2 in a time of 0.5 s, calculate the induced emf produced in the loop.

The magnetic flux linked with a coil changes from 12xx10^-3 Wb to 6xx10^-3 Wb in 0.01 second. Calculate the induced emf.

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 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 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 square coil having500 turnseach of side10cm is placed normal to the magneticflux which increases of the rate of 1.0T//s . What is the e.m.f. induced.

A coil of effective area 10m^2 is placed at right angles to a magnetic field of induction 0.05 T. Find the induced emf in the coil if just the magnitude of the field is changed to 0.03T in 0.2s.

A rectangular coil 20cmxx20cm has 100 turns and carries a current of 1 A . It is placed in a uniform magnetic field B=0.5 T with the direction of magnetic field parallel to the plane of the coil. The magnitude of the torque required to hold this coil in this position is

A circular coil of 30 turns and radius 8.0 cm carrying a current of 6.0 A is suspended vertically in a uniform horizontal magnetic field of magnitude 1.0 T. The field lines make an angle of 60^@ with the normal of the coil. Calculate the magnitude of the counter torque that must be applied to prevent the coil from turning.