A rectangular loop carrying a current i is placed in a uniform magnetic field B. The area enclosed by the loop is A. If there are n turns in the loop, the torque acting on the loop is given by

Torque acting on a current loop in a uniform magnetic field is equal to

Torque acting on a current loop in a uniform magnetic field is equal to

A circular loop of radius R carrying a current is placed in a uniform magnetic field with its plane perpendicular to B. The force on the loop is

A rectangular loop of size lxxb carrying a steady current I is placed in a uniform magnetic field vec(B) . Prove that the torque vec(tau) acting on the loop is given by vec(tau)=vec(m)xxvec(B) , "when " vec(m) is the magnetic moment of the loop .

A circular flexible loop of wire of radius r carrying a current I is placed in a uniform magnetic field B . If B is doubled, then tension in the loop

A circular flexible loop of wire of radius r carrying a current I is placed in a uniform magnetic field B . If B is doubled, then tension in the loop

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-