Questions  

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

The net magnetic moment of the system is 

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By Expert Faculty of Sri Chaitanya
ctaimg
a
Zero
b
2M
c
M3
d
3M2
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detailed solution

Correct option is B

The resultant magnetic moment can be calculated as follows.Mnet=2Mcos60o+M=2M


ctaimg

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