A circular conducting ring of radius 'a' is rolling with slipping on a horizontal surface as shown. A uniform magnetic field B is existing perpendicular to the plane of motion of the ring. The emf iniduced between the points A and D of the ring is

A conducting ring of radius 2R rolls on a smooth horizontal conducting surface as shown in figure-5.295. A uniform horizontal magnetic field B is perpendicular to the plane of the ring. The potential of A with respect to O is:

A vertical conducting ring of radius R falls vertically with a speed V in a horizontal uniform magnetic field B which is perpendicular to the plane of the ring. Which of the following statements is correct?

A vertical conducting ring of radius R falls vertically with a speed V in a horizontal uniform magnetic field B which is perpendicular to the plane of the ring. Which of the following statements is correct?

A conducting rim of radius R rolls without slipping on a horizontal surface . The speed of the ring 's centre of mass is v_(0) . A uniform magnetic field B perpendicular to the ring 's plane is swithched on. The emf induced across point of contact and the topmost point of the rim is 2B v_(0)R.

A ring made of insulating material is rolling without slipping on a horizontal surface with velocity of centre of mass V_(0) . A conducting wire of length 2R (R = radius of ring) is fixed between two points of the circumference. At an instant, the wire is in vertical position as shown in figure. A uniform magnetic field B exists perpendicular to the plane of the ring. The magnitude to emf induced between the ends of wire is

A conducting ring is placed in a uniform magnetic field with its plane perpendicular to the field . An emf is induced in the ring if

A conducting ring is placed in a uniform magnetic field with its plane perpendicular to the field . An emf is induced in the ring if

the uniform magnetic field perpendicular to the plane of a conducting ring of radius a change at the rate of alpha , then

A ring of radius R is rolling on a horizontal plane with constant velocity v. There is a constant and uniform magnetic field B which is perpendicular to the plane of the ring. Emf across the lowest point A and right-most point C as shown in the figure will