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If two bar magnets of different magnetic...

If two bar magnets of different magnetic lengths have equal moments, then the pole strength is

A

equal for both the magnets

B

less for shorter magnet

C

more for longer magnet

D

more for shorter magnet

Text Solution

Verified by Experts

The correct Answer is:
D
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Knowledge Check

  • A bar magnet of pole strength 10A-m is cut into two equal parts breathwise. The pole strength of each magnet is

    A
    5A-m
    B
    10A-m
    C
    15A
    D
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  • A short bar magnet has a magnetic moment of 10 Am^(2) .If its length is 10 cm,then the pole strength of the dipole is

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    100 Am
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    150 Am
    D
    50 Am
  • The magnetic strength of a bar magnet is

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    B
    minimum near its poles
    C
    same all over it
    D
    maximum at the mid-point between two poles
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