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The Circular Motion

When an elect...

Question

When an electron moves in a transverse magnetic field its path becomes

A

Circular

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B

Straight line

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C

Parallel

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D

Parabolic

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Solution

The correct option is B Circular
Here the direction of magnetic field and electron is perpendicular .The magnetic force is $F = q (V X B)$ , hence the force is perpendicular to velocity .The Path is circular .

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