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Effective length of a magnet isthan its ...

Effective length of a magnet is______than its actual length.

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Knowledge Check

  • The effective length of a magnet is 31.4 cm and its pole strenth is 0.5 Am. The magnetic moment, if it is bent in the form of a semicircile will be

    A
    `0.1 Am^(2)`
    B
    `0.01 Am^(2)`
    C
    `0.2 Am^(2)`
    D
    `1.2 Am^(2)`

  • The effective length of magnet is 31.4cm and its pole strength is 0.8Am. The magnetic moment, if it is bent in the form of a semicircle is… A-m^(2) .

    A
    1.2
    B
    1.6
    C
    0.16
    D
    0.12

  • The effective length of the first magnet is two times that of the second magnet. The effective length of the third magnet is one-third of the first magnet. If the effective length of the second magnet is 7.5 cm, the effective length of the third magnet is _____ .

    A
    5 cm
    B
    15 cm
    C
    2.5 cm
    D
    7.5 cm

    • Similar Questions

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    Geometric length of magnet is equal to ______its magnetic length

    If the length of the magnet is l, then the effective length of the magnet is

    The effective length of the first magnet is two times that of the second magnet. The effective length of the third magnet is one-third of the first magnet. If the effectiv length of the second magnet is 7.5 cm, the effective length of the third magnet is ______

    The effective length of a bar magnet is equal to _____

    The effective length of a bar magnet is equal to _____

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