A bar magnet of magnetic moment M is cut into two parts of equal length. magnetic moment of each par

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5.Magnetism and Matter

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A bar magnet of magnetic moment $M$ is cut into two parts of equal length. The magnetic moment of each part will be ......... $M$

A

$0.5$

B

$0$

C

$2$

D

$1$

(AIPMT-1997)

Solution

Magnetic moment=pole strength $\times$ length

$\therefore M^{\prime}=M / 2=0.5 M$

Standard 12

Physics

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