Physics - Magnetism Question with Solution | TestHub

A charge of$4.0 \mu \mathrm{C}$is moving with a velocity of$4.0\times {10}^6 \mathrm{m} {\mathrm{s}}^{-1}$along the positive$y$-axis under a magnetic field$B$of strength$\left(2\hat{\mathrm{k}}\right) \mathrm{T}$. The force acting on the charge is$x\hat{\mathrm{i}} \mathrm{N}$. The value of$x$is ______.