engineering recuitment AAI ATC Junior Executive 2025 Mock Test Series Physics Moving Charges and Magnetism Motion in a Magnetic Field
A magnetic field 8 k̂ T exerts a force of 8î + 4ĵ N on a charged particle moving in the x-y plane. If the charge of the particle is 4 C, the velocity of the particle in m/s is
1
\(\frac{-1}{8} \hat{i} + \frac{1}{4} \hat{j}\)
2
\(\frac{-1}{2} \hat{k} - \frac{1}{4} \hat{j}\)
3
\(\frac{3}{4} \hat{i} + \frac{7}{8} \hat{j}\)
4
\(\frac{3}{4} \hat{k} - \frac{1}{5} \hat{j}\)