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Magnetic moment of a square loop is M what will be the magnetic moment of the loop of its shape is changed to a circular

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Q. A square loop is carrying a steady current I and the magnitude of its magnetic dipole moment is m. If this square loop is changed to a circular loop and it carries the same current, the magnitude of the magnetic dipole moment of circular loop will be :

Q. The magnetic field at the centre of circular loop of area

A

B

. The magnetic moment of the loop will be

Q. A thin circular wire carrying a current I has a magnetic moment M. The shape of the wire is changed to a square and it carries the same current. It will have a magnetic moment

Q. A current carrying loop of magnetic moment

16 J/T

45^{\circ}

with a uniform external magnetic field of

4 T

. What would be the change in potential energy in turning the loop to align its magnetic moment

135^{\circ}

to the magnetic field?

Q. Assertion :When radius of a circular loop carrying current is doubled, its magnetic moment becomes four times. Reason: Magnetic moment depends on the area of the loop.

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