A flat circular coil having `N` turns (tightly wound `D`) is placed in a time varying magnetic field `B = B_(0) sin omega t`. The outer radius of the coil is `R`. Determine the maximum value of the induced emf in the circuit.

A coil having an area A_(0) is placed in a magnetic field which changes from B_(0) to 4B_(0) in time interval t. The emf induced in the coil will be

A coil having an area A_(0) is placed in a magnetic field which changes from B_(0) to 4B_(0) in time interval t. The emf induced in the coil will be

A circular coil of area 0.1 m^(2) having 200 turns is placed in a magnetic field of 40 T. The plane of the coil makes 30^(@) with the field. If the field is removed for 0.1 s then the induced emf in the coil is

A coil having an area A_0 is placed in a magnetic field which changes from B_0 to 4B_0 in time interval t. The emf induced in the coil will be

A rectangular coil of N turns and ara of cross-section A is held in a time-varying field given by B = B_0 cosomegat , with the plane of the coil noral to the magnetic field. Deduce an expression for the e.m.f. induced in the coil.

A rectangular coil of N turns and area of cross section A is held in a magnetic field B=B_0 sin omega t. Deduce an expression for the emf induced in the coil.

A coil having an area A_(0) is placed in a magnetic field which changes from B_(0) to 4B_(0) in a time interval t . The e.m.f. induced in the coil will be