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 has an area of 0.05 m^2 and it has 800 turns. It is placed perpendicularly in a magnetic field of strength 4 xx 10^-5 wb//m^2 , it is rotated through 90^@ in 0.1 sec. The average e.m.f. induced in the coil is

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 10^3 turns each of area 100 cm^2 rotateswith speed of 100 r.p.m. about an axis in its plane and perpendicular to uniform field of induction 36 xx 10^-2 Wb//m^2 . Find the peak and e.m.f. value of the induced e.m.f. in the coil.

A copper rod 1.5m long is rotated in a magnetic field of induction 6 xx 10^-5 (Wb)/m^2 .If it performs 1200 r.p.m.. find the e.m.f induced at its ends.

A rod of length l is rotated about its one end, perpendicular to a magnetic field of induction B What is the e.m.f induced in the rod

A coil of 100 turns each of area 0.1 m^2 is rotated at constant speed of 300 r.p.m. in a uniform magnetic field of induction 0.02 Wb//m^2 about an axis in the plane of the coil and perpendicular to the direction of the coil.Calculate the maximum value of induced e.m.f.

A coil of 2000 turns and of mean radius 5 cm, makes 300 revolutions per minute around one of its diameters in a uniform magnetic field of induction 2.5 xx 10^-5 Wb/m^2 at right angles to its axis of rotation .Calculate the maximum e.m.f. induced in the coil and also its r.m.s. value.

When a particle carrying a charge of 200 mu C moves at an angle 30^(@) to a uniform magnetic field of induction 5 xx 10^(-5) Wb//m^(2) with a speed of 2 xx 10^(5) m//s . The force acting on the particle is

A circular coil of 100 turns with a crosssectional area (A) of 1m^2 is kept with its plane perpendicular to the magnetic field (B) of 1 T.What is the magnetic flux linkage with the coil?

A metal rod 1/ sqrt(pi) meter long rotates about one of its ends in a plane perpendicular to a uniform magnetic induction 5 xx 10^-3 (Wb)/m^2 . Calculate the number of revolutions the rod makes per minute if the induced e.m.f. across it is 15 millivolt.