A square wire loop with sides 0.5 m is placed with its plane perpendicular to the magnetic field.The resistance of the loop is `5 Omega` .Find at what rate the magnetic induction should be changed so that a current of 0.1 A is induced in the loop.

A circular coil of radius 0.5m and resistance 3.14 Omega is placed in a magnetic induction with its plane perpendicular to the field.The rate of change of magnetic induction so as to produce a current of 50 mA in the coil 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 3.0 cm wire carrying a current of 10 A is placed inside a solenoid perpendicular to its axis. The magnetic field inside the solenoid is given to be 0.27 T. What is the magnetic force on the wire ?

A 3 cm wire carrying a current of 10 A is placed inside be solenoid perpendicular to its axis. The magnetic field inside the solenoid is given to be 27 T. What is the magnetic force on the wire?

A wire 88 cm long bent into a circular loop is kept with plane of the coil perpendicular to the magnetic induction 2.5 Wb//m^2 . Within 0.5 second, the coil is changed to a square and magnetic induction is increased by 0.5 Wb//m^2 . Calculate the e.m.f. induced in the wire.

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 triangular loop of side l carries a current I . It is placed in a magnetic field B such that the plane of the loop is in the direction of B . The torque on the loop is

A conducting circular loop is placed in a uniform magnetic field B = 0.025 T with its place perpendicular to the loop. The radius of the loop is made to shrink at a constant rate of 1 mms^-1 . What is the induced e.m.f. when the radius is 2cm?

A rectangular coil of length 0.5m and breadth 0.2m has a resistance of 10 Omega . The coil is placed in magnetic induction of 0.05 Wb/m^2 and its direction is perpendicular to the plane of the coil.If the magnetic induction is uniformly reduced to zero in time 10 second, find the e.m.f . and current induced in the coil.

A circular loop has radius 10 cm and it is carrying a current of 0.1A. Calculate magnetic dipole moment.