A conducting ring of radius `r` and resistance `R` rolls on a horizintal surface with constant velocity `v`. The magnetic field `B` is uniform and is normal to the plane of the loop. Choose the correct option.

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

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

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 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 'r' is rolling without slipping with a constant angular velocity omega (figure). If the magnetic field strengh is B and is directed into the page the emf induced across PQ is

A conducting ring of radius r and resistance R is placed in region of uniform time varying magnetic field B which is perpendicular to the plane of the ring. It the magnetic field is changing at a rate alpha , then the current induced in the ring is

A conducting ring of radius r and resistance R is placed in region of uniform time varying magnetic field B which is perpendicular to the plane of the ring. It the magnetic field is changing at a rate alpha , then the current induced in 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 conducting circular loop of radius r carries a constant current i. It is placed in a uniform magnetic field B such that B is parallel to the plane of the loop. The magnetic torque acting on the loop is-

A conducting circular loop of radius r carries a constant current i.It is placed in a uniform magnetic field B such that B is perpendicular to the plane of the loop. The magnetic force acting on the loop is