Home
Class 12
PHYSICS
A rectangular coil of a M,.C.G. of effec...

A rectangular coil of a M,.C.G. of effective area `0.05 m^2` is suspended freely in a radical magnet field of induction `0.01 Wb//m^2`. If the torsional constant of the suspension fibre is `5xx10^-9` Nm per degree. When a current of 300 `mu` A is passed through it, deflection of coil is

A

`15^@`

B

`30^@`

C

`45^@`

D

`60^@`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MAGNETIC EFFECT OF ELECTRIC CURRENT

    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 rectangular coil of effective area 0.05 m^(2) is suspended freely in aradiul magnetic field of 0.001 Wb//m^(2) . The torsional constant of the suspension fibre is 5 xx 10^(-9)Nm /degree. If a current of 300muA is passed through it, then the angle through which the coil rotates is

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 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 .

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 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

A coil of a moving coil galvanometer has 100 turns and effective area of 0.005 m^(2) . It is suspended in a radial magnetic field of induction 0.001 Wb//m^(2) . The torque per unit twist of thr suspension fibre is 5 xx 10^(-9)Nm /degree. What is the currebnt sectivity of the moving coil galvanometer?

A 200 turn rectangular coil measuring 0.02 m xx 0.08 m of an ammeter is in a magnetic field of induction 0.2 tesla. The torsional constant of the suspension fibre is 5 xx 10^(-7) newton xx metre/degree. The maximum reading of the ammeter corresponds to a deflection of the coil through 45^(@) . If the magnetic field is radial, then the maximum current that can be measured with this ammeter is

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 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