A bar magnet of magnetic moment $M$ is bent in $⊔$ shape such that all the parts are of equal lengths. Then new magnetic moment is:

M / 3

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

2 M

No worries! We‘ve got your back. Try BYJU‘S free classes today!

\sqrt{3} M

No worries! We‘ve got your back. Try BYJU‘S free classes today!

3 \sqrt{3} M

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A $M / 3$
$μ_{1} = M$ $L_{2} = \frac{L}{3}$
$\frac{μ_{1}}{L_{1}} = \frac{μ_{2}}{L_{2}}$
$\frac{M}{L} = \frac{μ_{2}}{\frac{L}{3}}$
$μ_{2} = \frac{M}{3}$

Suggest Corrections

Similar questions

Q. When a straight magnetised wire of magnetic moment

M

is bent into a

U

shape such that all the parts are of equal lengths, then final magnetic moment is

M / 3

A thin bar magnet of length $L$ and magnetic moment $M$ is bent at the midpoint so that the two parts are at right angles. The new magnetic length and magnetic moment are respectively

Q. Four magnets of equal length but magnetic moments

M, 2 M, 3 M

and

4 M

respectively are arranged in the form of a square such that their unlike poles are in contact. Then the resultant magnetic moment of the system is-

A bar magnet of moment $M$ is bent into a shape as shown in the given figure, with all segments equal. It's new magnetic moment will be :

Q. A straight wire of length l and magnetic moment m is bent into shape of semicircle, then what will be new magnetic moment?

Join BYJU'S Learning Program

A bar magnet of magnetic moment M is bent in ⊔ shape such that all the parts are of equal lengths. Then new magnetic moment is:

The correct option is A M/3μ1=M L2=L3μ1L1=μ2L2ML=μ2L3μ2=M3

A bar magnet of magnetic moment $M$ is bent in $⊔$ shape such that all the parts are of equal lengths. Then new magnetic moment is:

The correct option is A $M / 3$
$μ_{1} = M$ $L_{2} = \frac{L}{3}$
$\frac{μ_{1}}{L_{1}} = \frac{μ_{2}}{L_{2}}$
$\frac{M}{L} = \frac{μ_{2}}{\frac{L}{3}}$
$μ_{2} = \frac{M}{3}$