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The magnetic moment of an iron bar is \(\mathrm{M}\). It is now bent in such a way that it forms an arc section of a cir…

Q1

The magnetic moment of an iron bar is \(\mathrm{M}\). It is now bent in such a way that it forms an arc section of a circle subtending an angle of \(60^\circ\) at the centre. The magnetic moment of this arc section is :

[Re-NEET 2024]

a

\(\frac{3\mathrm{M}}{\pi }\)

b

\(\frac{4\mathrm{M}}{\pi }\)

c

\(\frac{\mathrm{M}}{\pi }\)

d

\(\frac{2\mathrm{M}}{\pi }\)

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