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A beam of electrons passes undeflected...

A beam of electrons passes undeflected through uniformly perpendicular electric and magnetic fields. If the electric field is switched off, and the same magnetic field is maintained then the electrons move:

A

along a straight line

B

in an elliptical orbit

C

in a circular orbit

D

along a parabolic path

Text Solution

Verified by Experts

The correct Answer is:
C
In magnetic field a charged particle moves in a circular orbit .
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