Find angle with respect to b at which it reaches equilibrium

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Reference no: EM13229347

A small magnetic needle, which is free to turn slowly in a horizontal plane, is placed at the center of the coil in question (6). Show that it will set at an angle
\(\phi\)
to B where

\(cot(\phi) = 4R/(\pi n^2 \mu_{o}\omega a)\)

Calculate the angle with respect to B at which it reaches equilibrium.

Reference no: EM13229347

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