MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Coupling

The restoring...

Question

The restoring couple for a magnet oscillating in the vibration magnetometer is provided by

A

horizontal component of earth’s magnetic field

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

B

gravity

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

torsion in the suspended thread

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

magnetic field of magnet

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A horizontal component of earth’s magnetic field
When the bar magnet in vibration magnetometer is displaced from the earth's magnetic field , the torque acts on it to allign it with the earth's magnetic field . So the earth's magnetic field is the restoring force.

Suggest Corrections

thumbs-up

0

Similar questions

Q. Time period of a bar magnet oscillating in horizontal component of earth's magnetic field in a vibration magnetometer is

3 s e c

. When another magnet is brought near and parallel to the first, the time period reduces to

1 s e c

. Then the ratio of magnetic field of the second magnet at the location of first magnet to the horizontal component of earth's field is

Q. In a vibration magnetometer, the time period of a bar magnet oscillating in horizontal component of earth's magnetic field is

2

sec. When another magnet is brought near and parallel to it, then the time period reduces to

1

sec. The ratio of the horizontal component of earth's field and the field due to magnet will be

Q. In a vibration magnetometer, the time period of a bar magnet oscillating in horizontal component of earth's magnetic field is 2 sec. When a magnet is brought near and parallel to it, the time period reduces to 1 sec. The ratio H/F of the horizontal component H and the field F due to magnet will be

Q. The period of oscillation of a magnet of a vibration magnetometer is

2.45 s

at one place and

4.9 s

at the other. The ratio of the horizontal component of the earth’s magnetic field at the two places is

Q. A bar magnet of moment of inertia

9 \times 10^{- 5} k g m^{2}

placed in a vibration magnetometer and oscillating in a uniform magnetic field

16 π^{2} \times 10^{- 5} T

20

oscillations in

15 s

. The magnetic moment of the bar magnet is

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Self and Mutual Inductance

PHYSICS

Watch in App

explore_more_icon

Explore more

Standard XII Physics

Join BYJU'S Learning Program

CrossIcon