A rectangular coil having 60 turns and area of 0.4m^2 is held at right angles to a uniform magnetic field of flux density 5×10^−5T. Calculate the magnetic flux passing through it.

A rectangular coil of turns n and area A isrotating withangular velocity a in a uniform magnetic field B .Find an expression for the e.m.f generatedin the coil.

A [He^(2+)] ion travels a velocity of 10^5 m/s at right angles to a magnetic field of 0.80 T. What is the magnitude of the magnetic force on the ion ?

A rectangular coil carrying current is placed in a uniform magnetic field in such a way that normal to the coil makes an angle theta with the direction of magnetic flux density. Find the magnitude of torque acting on the coil Define magnetic moment of a current loop.

A coil of 200 turns has a cross-sectional area 900 mm It carries a current of 2 ampere. The plane of the coil is perpendicular to the uniform magnetic field of 0.5T. Calculate : magnetic moment