The radius of the circular conducting loop shown in is R. magnetic field is decreasing at a constant rate `alpha`. Resisitance per unit length of the loop is `rho`.
Then, the current in wire `AB` is (`AB` is one of the diameters)

The radius of circular loop is 'a'. Magnetic field is incerasing at a constant rate a. Magnetic field of a confined with the axis of the loop. Resistance per unit length of the wire of loop is rho . Choose the correct option(s):

The radius of circular loop is 'a'. Magnetic field is incerasing at a constant rate a. Magnetic field of a confined with the axis of the loop. Resistance per unit length of the wire of loop is rho . Choose the correct option(s):

Radius of a circular loop placed in a perpendicular uniform magnetic field is increasing at a constant rate of r_(o)ms^(-1) If at any instant radius of the loop is r, then emf induced in the loop at that instant will be

A semi-circular loop of radius R is placed in a uniform magnetic field as shown. It is pulled with a constant velocity. The induced emf in the loop is

A semi circular current loop is placed in an uniform magnetic field of 1 tesla as shown. If the radius of loop is 1 m, the magnetic force on the loop is

The magnetic field at the centre of a current -carrying circular loop is …….to the current and ……to the loop.s radius .

A uniform but time varying magnetic field is present in a circular region of radius R. The magnetic field is perpendicular and into the plane of the loop and the magnitude of field is increasing at a constant rate alpha . There is a straight conducting rod of length 2R placed as shown in figure. The magnitude of induced emf across the rod is

A uniform but time varying magnetic field is present in a circular region of radius R. The magnetic field is perpendicular and into the plane of the loop and the magnitude of field is increasing at a constant rate alpha . There is a straight conducting rod of length 2R placed as shown in figure. The magnitude of induced emf across the rod is