(C) The magnetic dipole moment $(M)$ is defined as the product of the pole strength $(m)$ and the magnetic length $(2l)$ of the dipole,i.e.,$M = m \ti

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(C) The magnetic dipole moment $(M)$ is defined as the product of the pole strength $(m)$ and the magnetic length $(2l)$ of the dipole,i.e.,$M = m \times 2l$.This property is an intrinsic characteristic of the magnet itself.It does not depend on the position or the distance of the point where the magnetic field is being measured.Therefore,changing the distance between the point and the magnet does not affect the magnetic dipole moment.Thus,the magnitude of the dipole moment remains $X$.

Class 12 Physics Magnetism and Matter Bar Magnet and Magnetic Dipole and Magnetic Moment

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The magnetic dipole moment of a short magnetic dipole at a distant point along the equator of the magnet has a magnitude of $X$ in $SI$ units. If the distance between the point and the magnet is halved,then the magnitude of the dipole moment will be

MHT CET 2019 All MHT CET

A
$2 X$
B
$\frac{1}{2} X$
C
$X$
D
$\frac{1}{8} X$

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Magnetism and Matter

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Bar Magnet and Magnetic Dipole and Magnetic Moment

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The magnetic dipole moment of a short magnetic dipole at a distant point along the equator of the magnet has a magnitude of $X$ in $SI$ units. If the distance between the point and the magnet is halved,then the magnitude of the dipole moment will be

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Give some of the commonly known ideas regarding magnetism.

Three identical bar magnets each of magnetic moment $M$ are placed in the form of an equilateral triangle as shown. The net magnetic moment of the system is

An iron bar of length $L$ has a magnetic moment $M$. It is bent at the middle of its length such that the two arms make an angle of $60^{\circ}$ with each other. The magnetic moment of this new magnet is:

What is the magnitude of the equatorial and axial fields due to a bar magnet of length $5.0 \; cm$ at a distance of $50 \; cm$ from its mid-point? The magnetic moment of the bar magnet is $0.40 \; A m^{2}$.

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