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If a current I flows through a loop of a...

If a current I flows through a loop of area A and the strength of the pole thus generated be `q_(m)` , the magnetic moment of the loop is

A

IA

B

`IA^(2)`

C

`q_(m)A`

D

`q_(m)A^(2)`

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • Magnetic field at the centre of a circular loop of area A is B the magnetic moment of the loop will be

    A
    `(BA^2)/(mu_0pi)`
    B
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    D
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    C
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    D
    `(nl)/sqrt(A)`

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