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  • An electron is moving along the positive x-axis. If the uniform magnetic field is applied parallel to the negative z-axis, then A. The electron will experience magnetic force along positive

An electron is moving along the positive x-axis. If the uniform magnetic field is applied parallel to the negative z-axis, then
A. The electron will experience magnetic force along positive y-axis
B. The electron will experience magnetic force along negative y-axis
C. The electron will not experience any force in magnetic field
D. The electron will continue to move along the positive x-axis
E. The electron will move along circular path in magnetic field
Choose the correct answer from the options given below :
 

Option: 1

B and E only 


Option: 2

A and E only 


Option: 3

B and D only 


Option: 4

C and D only


Answers (1)

best_answer

\begin{aligned} & \vec{F}=q(\vec{V} \times \vec{B}) \\ & \vec{F}=-e(\vec{V} \times \vec{B}) \end{aligned}

Force will be along -ve yaxis As magnetic force is \perp to velocity, path of electron must be circle.

Posted by

Gaurav

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