A beam of electrons passes undeflected through mutually perpendicular electric and magnetic fields. It the electric field is switched off, and the same magnetic field is maintained, the electrons move
A beam of electrons passes undeflected through mutually perpendicular electric and magnetic fields. It the electric field is switched off, and the same magnetic field is maintained, the electrons move
- [AIPMT 2007]
- A
in an elliptical orbit
- B
in a circular orbit
- C
along a parabolic path
- D
along a straight line
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What is source of magnetic field ?
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