The magnetic force acting on a charged particle of charge $-2 \mu \mathrm{c}$ in a magnetic field of $2 \mathrm{~T}$ acting in $\mathrm{y}$ direction, when the particle velocity is $(2 \hat{\mathrm{i}}+3 \hat{\mathrm{j}}) imes 10^6 \mathrm{~ms}^{-1}$, is :

Question

The magnetic force acting on a charged particle of charge $-2 \mu \mathrm{c}$ in a magnetic field of $2 \mathrm{~T}$ acting in $\mathrm{y}$ direction, when the particle velocity is $(2 \hat{\mathrm{i}}+3 \hat{\mathrm{j}}) 	imes 10^6 \mathrm{~ms}^{-1}$, is :

Aicharya · Accepted Answer

$\begin{aligned} \overrightarrow{\mathrm{F}} & =\mathrm{q}(\overrightarrow{\mathrm{v}} 	imes \overrightarrow{\mathrm{B}}) \ & =-2 	imes 10^{-6}\left[(2 \hat{\mathrm{i}}+3 \hat{\mathrm{j}}) 	imes 10^6 	imes 2 \hat{\mathrm{j}}ight] \ & =-(8 \mathrm{~N}) \hat{\mathrm{k}} \end{aligned}$

The magnetic force acting on a charged particle of charge $-2 \mu \mathrm{c}$ in a magnetic field of $2…

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