The number of turns in the coil of an AC generator are 100 and its cross-sectional area is 2.5 m^2 . The coil is revolving in a uniform magnetic field of strength 0.3T with the uniform angular velocity of 60rad/s. The value of maximum voltage produced is _____kV

Through a straight conduction wire of length 1 m 2, A current is flowing. If the wire is placed normal to a uniform magnetic field of strength 10^(-3)T , what will be the magnetic force acting on the wire

The number of turns of a coil in an a.c. generator is 2000 . Area of the coil is 0.1 m^2 and angular speed is 200 rad//sec . What will be the peak value of the induced e.m.f. when the magnetic field is 0.2 T ?

Copper has 8.0xx10^(28) conduction electrons per metre^3 . A copper wire of length 1m and cross sectional area 8.0xx10^(-6) m^2 carrying current and lying at right angle to a magnetic field of strength 5xx10^(-3) T experiences a force of 8.0xx10^(-2)N . Calculate the drift velocity of free electrons in the wire.

The radius of a circular coil having 100 turns is 5 cm and a current of 0.5A is flowing through this coil. If it is placed in a uniform magnetic field of stregth 0.001 T, then what torque will act on the coil, when the plane of the coil is perpendicular to the magnetic field ?

The radius of a circular coil having 100 turns is 5 cm and a current of 0.5A is flowing through this coil. If it is placed in a uniform magnetic field of stregth 0.001 T, then what torque will act on the coil, when the plane of the coil is inclined at 30^(@) with the magnetic field,

The radius of a circular coil having 100 turns is 5 cm and a current of 0.5A is flowing through this coil. If it is placed in a uniform magnetic field of stregth 0.001 T, then what torque will act on the coil, when the plane of the coil is parallel to the magnetic field,

The radius of a circular coil of 100 turns in 5 cm and it carries a current of 10 A. What torque will act on the coil when its plane is kept at 30^(@) with a uniform magnetic field of 0.01 T?

A rectangular coil of area 0.2 m^(2) is held in a magnetic field of strength 2T in such a way that the normal to the plane of the coil makes an angle 30^(@) with the field. What is the flux linked with the coil?

In a compact coil of 50 turns, the current strength is 10 A and the radius of the coil is 25xx10^(-2)m . Find the magnitude of the magnetic field at its centre.