A galvanometer of number of turns 175 having `1cm^(2)` area through `1^(@)` when a current of `1mA` is passed. Find magnetic field if torsional constant of spring is `10^(-6)N-m`
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.
A rectangular coil of 100 turns each of area 10 cm^2 hangs freely in radial magnetic field. The coil deflects through an angle of 30^@ when current of 0.5 m A is paased through it . If torsional constant of suspension fibre is 2.5 xx10^-9 Nm/rad, then magnetic field will be ,
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
The coil of a moving coil galvanometer has an effective area of 5xx10^(-2)m^(2) . It is suspended in a magnetic field of 2xx10^(-2) Wbm^(-2) .If the torsional constant of the senpension fibre is 4xx10^(-9) Nmdeg^(-1) . Then find its current sensitivity in degree per microampere
The coil of moving coil galvanometer has an effective area 6xx10^-2m^2 . It is suspended in a magnetic field of 3xx10^-2Wbm^-2 . If the torsional constant of the suspension fibre is 5xx10^-9Nmdeg^-1 , finds its current sensitivity in degree per micro-ampere.
A circular coil of 1 turn and area 0.01m^(2) carries a current of 10A . It is placed in a uniform magnetic field of induction 0.1 tesla such that the plane of the circle is perpendicular to the direction of the field, the torque acting on the coil is
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 rectangular coil of M.C.G. of 100 turns of effective area 12cm^2 hangs in a magnetic field of 1.5xx10^-2 T . If the torsional constant of the suspension fibre is 1.5xx10^-8 Nm per radian then current sensitivity of M.C.G. is
