JEE Main 2022 Physics question
Given below are two statements: Statement I : The electric force changes the speed of the charged particle and hence changes its kinetic energy; whereas the magnetic force does not change the kinetic energy of the charged particle. Statement II : The electric force accelerates the positively charged particle perpendicular to the direction of electric field. The magnetic force accelerates the moving charged particle along the direction of magnetic field. In the light of the above statements, choose the most appropriate answer from the options given below:
Solution
The electric force accelerates the charge along the direction of the field and does work on it, changing its kinetic energy, while the magnetic force is always perpendicular to the velocity
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