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 ,
NIKITA PUBLICATION|Exercise MCQs (Sensitivity and accuracy of M.C.G.)|1 Videos
KINETIC THEORY OF GASES & RADIATION
NIKITA PUBLICATION|Exercise MCQs (Question Given in MHT-CET)|79 Videos
MAGNETISM
NIKITA PUBLICATION|Exercise MCQs|249 Videos
Similar Questions
Explore conceptually related problems
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 , each of length 4 cm and breadth 3 cm , is suspended freely in a radial magnetic field of induction 2xx10^-2 N/Am. The torsional constant of the suspension fibre is 2xx10^-8 Nm per radian. The deflection of the coil when a current of 2 mu A is passed through it is nearly .
The coil of a moving coil galvanometer has 100 turns each of area 15 cm^(2) . It is suspended in a radial magnetic field of induction 3 xx 10^(-2)Wb//m^(2) . What is the current senstivity of the moving coil galvanometer, if the torsional constant of the suspension fiber is 1.5 xx 10^(-8)Nm /radian ?
A rectangular coil has 100 turns has length 5 cm and breadth 2 cm. It is suspended in radial magnetic field of induction 0.1 Wb//m^(2) . If a current of 100 muA is passed through the coil, then the torque acting on the coil is
A rectangular coil of wire of area 400cm^(2) contain 500 turns. It is places in a magnetic field of induction 4xx10^(-3)T and it makes an angle 60^(@) with the field. A current of 0.2A is passed through is. The torque on the coil is
A rectangular coil having 100 turns each of length 1.0 cm and breadth 0.5 cm is suspended in radial magnetic field of induction 0.02 T the torisional constant of suspension fibre is 2xx10^(-8) Nm / degreee calculate current sensitivity of MCG
A Rectangular coil of 10 turns, each of area 0.05 m^(2) , is suspended freely in a uniform magnetic field of induction 0.01 T. A current of 30 µA is passed through it. (i) What is the magnetic moment of the coil (ii) What is the maximum torque experienced by the coil?
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 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
NIKITA PUBLICATION-MAGNETIC EFFECT OF ELECTRIC CURRENT-MCQs (Sensitivity and accuracy of M.C.G.)
