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Two identical thin bar magnets each l a...

Two identical thin bar magnets each l and pole strength m are placed at right angle to each other with north pole of one touching south of other the magnetic moment of the system is

A

ml

B

2ml

C

`sqrt(2) ml`

D

`(ml)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
Here distance two poles =`sqrt(2)`l
hence M=`mxxsqrt(2)`l
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