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To compare magnetic moments of two magne...

To compare magnetic moments of two magnets by vibration magnetometer, 'sum and difference method' is better because

A

Determination of moment of inertia is not needed which minimises the errors

B

Less observations are required

C

Comparatively less calculations

D

All the above

Text Solution

Verified by Experts

The correct Answer is:
D
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Explore conceptually related problems

Two bar magnets placed together in a vibration magnetometer take 3 seconds for 1 vibration. If one magnet is reversed, the comnination takes 4 seconds for 1 vibration. Find the ration of their magnetic moments.

For a vibration magnetometer, the time period of bar magnet can be redcued by:

Knowledge Check

  • Magnetic moment of a magnet is

    A
    a scalar
    B
    a vector which is directed from N-pole to S-pole
    C
    a vector which is directed from S-pole to N-pole
    D
    is the product of its pole strength and the geometric length

  • Vibration magnetometer is used for comparing

    A
    Magnetic fields
    B
    Earth's field
    C
    Magnetic moments
    D
    All of the above

  • Magnetic moment of two bar magnets may be compared with the help of

    A
    Deflection magnetometer
    B
    Vibration magnetometer
    C
    Both of the above
    D
    None of these

    • Similar Questions

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    Two magnets A and B are identical in mass, length and breadth but have different magnetic moments. In a vibration magnetometer, if the time period of B is twice the time period of A . The ratio of the magnetic moment M_(A)//M_(B) of the magnets will be

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