If their identical bar magnets each of magnetic moment ‘M’ are arranged in the form of on equilateral triangle such that unlike poles are in contact. The resultant magnetic moment is
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a
3M
b
M3
c
3M
d
Zero
answer is D.
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Detailed Solution
When n identical bar magnets form a closed polygon with unlike poles nearer, the moment magnetic moment is zero
If their identical bar magnets each of magnetic moment ‘M’ are arranged in the form of on equilateral triangle such that unlike poles are in contact. The resultant magnetic moment is