The area of ​​a coil is 100 cm^(2) and it has 500 turns. If the magnet is perpendicular to the plane of the coil...

A coil of area 10 cm^2 has 200 turns. Magnetic field of 0.1 Wb//m^2 is perpendicular to the plane of the coil. The field is reduced to zero in 0.1 s, the induced emf in the coil is

A rectangular coil is placed in a region having a uniform magnetic field B perpendicular to the plane of the coil. An emf will not be induced ion the coil if the

A rectangular coil of 20 turns and area of cross-section 25 cm^(2) has a resistance of 100 ohm . If a magnetic field which is perpendicular to the plane of the coil changes at the rate of 1000 telsa per second, the current in the coil is

A 2A current is flowing through a circular coil of radius 10 cm containing 100 turns. Find the magnetic flux density at the centre of the coil.

A coil has 2000 turns and area of 70cm^(2) . The magnetic field perpendicular to the plane of the coil is 0.3 Wb//m^(2) and takes 0.1 sec to rotate through 180^(0) . The value of the induced e.m.f. will be

In a coil of area 10cm^(2) and 10 turns, magnetic field is directed perpendicular to the plane and is changing at a rate of 10^(4)Ts^(-1) . The resistance of the coil is 20Omega . The current in the coil will be

A square shaped plane coil of area 100cm^2 of 200 turns carries a steady current of 5A . It is placed in a uniform magnetic field of 0*2T acting perpendicular to the plane of the coil. Calculate the torque on the coil when its plane makes an angle of 60^@ with the direction of the field. In which orientation will the coil be in stable equilibrium?

A coil of area 100 cm^(2) has 500 turns. Magnetic field of 0.1 "weber"//"metre"^(2) is perpendicular to the coil. The field is reduced to zero in 0.1 second. The induced e.m.f. in the coil is