A square of side $2.0\,m$ is placed in a uniform magnetic field $B = 2.0\, T$ in a direction perpendicular to the plane of the square inwards. Equal current, $i = 3.0\, A$ is flowing in the direction shown in figure. Find the magnitude of magnetic force on the loop
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Force on wire $\mathrm{ACD}=$ Force on $\mathrm{AD}=$ Force on $AED$
All these forces are acting along $EC$.
Net force on the loop $=3\left(\mathrm{F}_{\mathrm{AD}}\right)$
or $\mathrm{F}_{\mathrm{net}}=3(\mathrm{i})(\mathrm{AD})(\mathrm{B})=(3)(3.0)(2 \sqrt{2})$
$(2.0)\, \mathrm{N}=36 \sqrt{2} \,\mathrm{N}$
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