Find magnetic field at O | vedclass

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Question

(a) ${B_1} = {B_3} = {B_5} = 0$
${B_2} = \frac{{{\mu _0}}}{{4\pi }}.\frac{{	heta i}}{{3r}} \otimes ,\;{B_4} = \frac{{{\mu _0}}}{{4\pi }}.\frac{{	he

Vedclass · Accepted Answer

$\frac{{5{\mu _0}i	heta }}{{24\pi r}}$

Vedclass · Answer

(a) ${B_1} = {B_3} = {B_5} = 0$
${B_2} = \frac{{{\mu _0}}}{{4\pi }}.\frac{{	heta i}}{{3r}} \otimes ,\;{B_4} = \frac{{{\mu _0}}}{{4\pi }}.\frac{{	heta i}}{{2r}}$ $\odot$ 
and ${B_6} = \frac{{{\mu _0}}}{{4\pi }}.\frac{{	heta i}}{r} \otimes $
$	herefore $ Net magnetic field at $O$,
${B_{net}} = {B_2} - {B_4} + {B_6}$ $ = \frac{{{\mu _0}}}{{4\pi }}.\frac{{	heta i}}{r}\left( {\frac{1}{3} - \frac{1}{2} + 1} ight) = \frac{{5{\mu _0}	heta i}}{{24\pi r}}$

Find magnetic field at $O$

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