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Three identical bar magnets each of magn...

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

A

Zero

B

`2M`

C

`Msqrt(3)`

D

`(3M)/2`

Text Solution

Verified by Experts

The correct Answer is:
B
The resultant magnetic moment can be calculated as follows.
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A2Z-MAGNETISM AND MATTER-Section D - Chapter End Test
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  4. A thin rectangular magnet suspended freely has a period of oscillation...

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  6. Two identical short bar magnets, each having magnetic moment M, are pl...

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  10. The variation of the intensity of magnetisation (I) with respect to th...

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  11. For ferromagnetic material, the relative permeability (mu(r)), versus ...

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  12. A magnet is suspended horizontal in the earth's magnetic field. When i...

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  13. The field due to a magnet at a distance R~ from the centre of the magn...

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  14. A long magnet is cut in two parts in such a way that the ratio of thei...

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  15. If the magnetic flux is expressed in weber, then magnetiv induction ca...

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  16. Magnetic intensity for an axial point due to a short bar magnet of mag...

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  17. A small rod of bismuth is suspended freely between the poles of a stro...

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  18. Magnetic moment of two bar magnets may be compared with the help of

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  19. At place, the magnitudes of the horizontal component and total intensi...

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  20. The angle of dip at a certain place is 30^(@). If the horizontal compo...

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  21. The horizontal component of the earth's magnetic field is 0.22 Gauss a...

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