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

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2ml

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\sqrt{2} m l

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\frac{1}{2} m l

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Solution

The correct option is C $\sqrt{2} m l$

$M_{n e t} = \sqrt{2} M = \sqrt{2} m l .$

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

The correct option is C √2ml Mnet=√2M=√2ml.

The correct option is C $\sqrt{2} m l$

$M_{n e t} = \sqrt{2} M = \sqrt{2} m l .$