calculate the force experinced by an electron when it enters a uniform magnetic field of strength 2 T with vleocity `0.2 xx 10^(8) m s^(-1)` at right
calculate the force experinced by an electron when it enters a uniform magnetic field of strength 2 T with vleocity `0.2 xx 10^(8) m s^(-1)` at right angles to the field. What kind of motion will it have in the magnetic field ? (Charge of electron `1.6 xx 10^(-19)` coulomb.)
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Correct Answer - `6.4 xx 10^(-6)` N; circular because magnetic force is always perpendicular to velocity
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