As shown in the figure, a current of 2,A flow | vedclass

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Question

$d 	an 60^{\circ}=2 \sqrt{3}$

$d =2\,cm$

$B =3 	imes \frac{\mu_0 i }{2 \pi d } \sin 60^{\circ}$

$=3 	imes \frac{2 	imes 10^{-7} 	imes 2}

Vedclass · Accepted Answer

$3 \sqrt{3} 	imes 10^{-5}\,T$

Vedclass · Answer

$d 	an 60^{\circ}=2 \sqrt{3}$

$d =2\,cm$

$B =3 	imes \frac{\mu_0 i }{2 \pi d } \sin 60^{\circ}$

$=3 	imes \frac{2 	imes 10^{-7} 	imes 2}{2 	imes 10^{-2}} 	imes \frac{\sqrt{3}}{2}$ $=3 \sqrt{3} 	imes 10^{-5}$

As shown in the figure, a current of $2\,A$ flowing in an equilateral triangle of side $4 \sqrt{3}\,cm$. The magnetic field at the centroid $O$ of the triangle is:

(Neglect the effect of earth's magnetic field.)

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