The motion of a moving electron is not affect | vedclass

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(B) The magnetic force on a moving charge is given by the Lorentz force formula: $\vec{F} = q(\vec{v} 	imes \vec{B})$.When the magnetic field $\vec{B

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$A$ magnetic field applied in the direction of motion

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(B) The magnetic force on a moving charge is given by the Lorentz force formula: $\vec{F} = q(\vec{v} 	imes \vec{B})$.When the magnetic field $\vec{B}$ is applied in the direction of motion (parallel to velocity $\vec{v}$),the angle between $\vec{v}$ and $\vec{B}$ is $0^\circ$ or $180^\circ$.Since the cross product $\vec{v} 	imes \vec{B} = vB \sin(	heta)$,and $\sin(0^\circ) = \sin(180^\circ) = 0$,the magnetic force $\vec{F}$ becomes zero.Therefore,the motion of the electron remains unaffected by a magnetic field applied parallel to its direction of motion.

The motion of a moving electron is not affected by:

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