Does torque depend on magnetic field?

Does torque depend on magnetic field?

Motors have loops of wire in a magnetic field. When current is passed through the loops, the magnetic field exerts torque on the loops, which rotates a shaft.

What happens when a current carrying coil is placed in magnetic field?

When a current carrying coil is placed in a uniform magnetic field of induction B, then a torque τ acts on it. If I is the current, n is the number of turns and A is the face area of the coil and the normal to the coil makes an angle θ with B, Then.

How torque is produced in a current carrying coil?

A current-carrying coil kept in a magnetic field experiences a torque, which is the cross product of the magnetic moment and the field vector. Hence, the torque is maximum when the dipole moment is perpendicular to the field, and zero when it’s parallel or antiparallel to the field.

When a current carrying coil is placed in a uniform magnetic field it experiences a torque?

zero
The torque produced in a conducting circular ring is zero when it is placed in a uniform magnetic field such that the magnetic field is perpendicular to the plane of loop.

Does torque depend on shape of coil?

The torque acting on it does not depend upon. It depends upon n, I, A, B and θ. But it does not depend upon the shape of the loop (reactangular, circular, triangular, etc.)

Why does a current carrying conductor experience a force in a magnetic field?

When a current-carrying conductor is placed in a magnetic field the wire experiences a force due to the interaction between the field and the magnetic field produced by the moving charges in the wire. That is why the conductor experiences a force.

Does a current carrying coil produce uniform magnetic field?

No, magnetic field produced due to a current carrying cirular coil is not uniform.

Does magnetic torque do work?

There is no gain in energy, as magnetic field does not do any work.