Moving Charges And Magnetism Ques 5
5. A beam of electron passes undeflected through mutuallyperpendicular electric and magnetic fields. If the electric field is switched off, and the same magnetic field is maintained, the electrons move
[2007]
(a) in a circular orbit
(b) along a parabolic path
(c) along a straight line
(d) in an elliptical orbit.
Show Answer
Answer:
Correct Answer: 5.(a)
Solution:
- (a) If the electric field is switched off, and the same magnetic field is maintained, the electrons move in a circular orbit and electron will travel a magnetic field perpendicular to its velocity.
BETA
