A current of 0.5 A is passed through the coil of a galvanometer haing 500 turns and each turn has an average area of `3xx10^-4)m^(2).` If a torque of 1.5 M-m is required for this coil carriying same current to set is parallel to a magnetic field

A current of 0.5 A is passed through the coil of a galvanometer having 500 turns and each turns has an average area of 3xx10^(-4) m^(2) if a torque of 1.5 N-m is required for this coil carrying same current to set it parallel to a magnetic field calculate the strength of the magnetic field

A current of 0.5 A is passed through the coil of a galvanometer having 500 turns and each turns has an average area of 3xx10^(-4) m^(2) if a torque of 1.5 N-m is required for this coil carrying same current to set it parallel to a magnetic field calculate the strength of the magnetic field

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 current of 2 A is made to flow through a coil which has only one turn. The magnetic field produced at the centre is 4pi xx 10^(-6) "Wb"//m^(2). the radius of the coil is

The average radius of an air cored made toroid is 0.1 m and it has 500 turns. If it carries 0.5 ampere current, then the magnetic field inside it is :

A moving coil galvanometer has 50 turns and each turn has an area 210 . The magnetic field produced by the magnet inside the galvanometer is 0.02 . The torsional constant of the suspension wire is 10 . When a current flows through the galvanometer, a full scale deflection occurs if the coil rotates by 0.2 . The resistance of the coil of the galvanometer is 50 . This galvanometer is to be converted into an ammeter capable of measuring current in the range 01.0 . For this purpose, a shunt resistance is to be added in parallel to the galvanometer. The value of this shunt resistance, in , is __________.

A circular coil having 50 turns, each with an area of 0.01 m, carries a current of 2 A. Calculate its magnetic dipole moment.

A coil of area 0.04 m^(2) having 1000 turns is suspended perpendicular to a magnetic field of 5.0 xx 10^(-5) Wb m^(2) . It is rotated through 90^(@) in 0.2 second. Calculate the average emf induced in it.

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