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Two identical thin bar magnets, each of ...

Two identical thin bar magnets, each of length L and pole strength m are placed at right angles to each other, with the N pole of one touching the S-pole of the other. Find the magnetic moment of the system.

A

`2 ml`

B

`ml`

C

`sqrt2 ml`

D

`(ml)/(2)`

Text Solution

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The correct Answer is:
C
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AAKASH INSTITUTE-MAGNETISM AND MATTER -ASSIGNMENT (SECTION A)
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  9. Two small bar marnets are placed in a line with like poles facing each...

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  10. A magnetic needle lying parallel to a magnetic field requires W units ...

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  11. Potential energy of a bar mangnet of magnetic moment M placed in a mag...

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  12. A magnetic dipole with magnetic moment M is placed at right angles to ...

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  15. The time period of a freely suspended magnet is 4 seconds. If it is br...

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  18. Planets producing larger magnetic field have larger

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  20. A dip needle lies initially in the magnetic merdian when it shows an a...

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