A moving coil galvanometer has following characteristics. Number of turns of coil=80, Area of coil=`50mm^(2)`, resistance of coil`=20Omega`, flux density of radial field 0.2T, torsional constant of suspension wire`=5xx10^(-9)Nm//rad`. For this moving coil galvanometer, mark the correct statement(s).

The coil of a moving coil galvanometer is suspended in a magnetic field of 100 G. If the torsional constant of the suspension wire is 1.5 xx 10^(-8) Nm/rad, find the current sensitivity of galvanometer. The area of the coil is 0.05 m^(2) .

A rectangular coil of a moving coil galvanometer contains 100 turns, each having area 15 cm^(2) . It is suspended in the radial magnetic field 0.03 T. The twist constant of suspension fibre is 15xx10^(-10) N-m/degree. Calculate the sensitivity of the moving coil galvanometer.

Why should the spring/ suspension wire in a moving coil galvanometer have low torsional constant?

A moving coil galvanometer has number of turns 'N' in its coil. Then its sensitivity is in proportional to :-

A rectangular coil of a moving coil galvanometer has 50 turns and an area of 12cm^2 . It is suspended in a radial magnetic field of induction 0.025 Wb//m^2 . The torsional constant of the suspension fibre is 1.5 xx10^-9 Nm/degree. The current required to produce the deflection of 5^@ 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 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 __________.