A moving coil galvanometer has a 50-turn coil of size `2cm xx 2cm`. It is suspended between the magnetic poles producing a magnetic field of `0.5 T`. Find the torque on the coil due to the magnetic field when a current of `20mA` passes through it.

A moving coil galvanometer has 100 turns and each turn has an area 2.0 cm^2 . The magnetic field produced by the magnet is 0.01 T . The deflection in the coil is 0.05 radian when a current of 10 mA is passed through it. Find the torsional constant of the suspension wire.

A moving coil galvanometer has 100 turns and each turn has an area 2.0 cm^2 . The magnetic field produced by the magnet is 0.01 T . The deflection in the coil is 0.05 radian when a current of 10 mA is passed through it. Find the torsional constant of the suspension wire.

A moving coil galvanometer has 100 turns and each turn has an area 2.0 cm^2 . The magnetic field produced by the magnet is 0.01 T . The deflection in the coil is 0.05 radian when a current of 10 mA is passed through it. Find the torsional constant of the suspension wire.

A moving coil galvanometer has 100 turns and each turn has an area 2.0 cm^2 . The magnetic field produced by the magnet is 0.01 T . The deflection in the coil is 0.05 radian when a current of 10 mA is passed through it. Find the torsional constant of the suspension wire.

The coil of a moving coil galvanometer has an effective area of 4xx10^(-2)m^(2) . It is suspended in a magnetic field of 5xx10^(-2) Wb m^(-2) . If deflection in the galvanometer coil is 0.2 rad when a current of 5 mA is passed through it, then

The coil of a moving coil galvanometer has an effective area of 4x 10^(-2) m^(2) . It is suspended in a magnetic field of 5x 10^(-2) Wb m^(-2) . If deflection in the galvanometer coil is 0.2 rad when a current of 5 mA is passed through it, then

A rectangular coil of 20 turns , each of area 10 cm^2 , is suspended freely in a uniform magnetic field of induction 2.5 xx10^-2 T with its plane inclined at 45^@ with the field. The torque acting on the coil when a current of 10 mA is passed through it is

A moving coil galvanometer has N numbr of turns in a coil of effective area A , it carries a current I . The magnetic field B is radial. The torque acting on the coil is

A moving coil galvanometer has N numbr of turns in a coil of effective area A , it carries a current I . The magnetic field B is radial. The torque acting on the coil is