What is torque acting on a plane coil of ''n'' turns carrying a current ''i'' and having an area A, when placed in a constant magnetic field B ?

Calculate the torque on a 200 turns rectangular coil of length 20cm and breadth 10cm carrying a current of 10A , when placed in a magnetic field. The plane of the coil is making an angle of 60^@ with a magnetic field of 4T .

To double the torque acting on a coil of n-turns, when placed in a magnetic field

To double the torque acting on a coil of n-turns, when placed in a magnetic field

To double the torque acting on a rectangular coil of n turns, when placed in a magnetic field-

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

Calculate the torque acting on a rectangular coil carrying current I placed in a uniform magnetic field when the plane of the coil is perpendicular to the magnetic lines of force.

What is the value of net force acting on a current carrying (i) rectangular coil and (ii) circular coil of same area placed in a uniform magnetic field? What will be the torque acting in each case?

Derive an expression for the torque on a rectangular coil of area A carrying. A current I and placed in a uniform magnetic field B. Indicate the direction the torque acting on the loop.