A 4.0 cm long straight wire carrying a current of 8A is placed perpendicular to an uniform magnetic field of strength 0.15 T. The magnetic force on the wire is ______ mN.

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Aicharya · Accepted Answer

$\begin{aligned} & F=I \ell B \ & =8 	imes \frac{4}{100} 	imes 0.15 \ & =48 	imes 10^{-3} \mathrm{~N}=48 \mathrm{mN}\end{aligned}$

A 4.0 cm long straight wire carrying a current of 8A is placed perpendicular to an uniform magnetic field of…

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