Figure shows two small identical magnetic dipoles \( a \) and \( b ...

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Figure shows two small identical magnetic dipoles \( a \) and \( b \) of magnetic moments \( M \) each, placed at a separation \( 2 d \), with their axes perpendicular to each other. The magnetic field at the point \( P \) mid way between the dipoles is
(1) \( \frac{2 \mu_{0} M}{4 \pi d^{3}} \)
(2) \( \frac{\mu_{0} M}{4 \pi d^{3}} \)
(3) Zero
(4) \( \frac{\sqrt{5} \mu_{0} M}{4 \pi d^{3}} \)
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For a the direction will be towards N right?

tanmayeepatil
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Why it is M in case of Bb and 2M in case of Ba

MagnumCarlos-poim