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A beam of electron passes undeflected through mutually perpendicular electric and magnetic fields. If the electric field is switched off, and the same magnetic field is maintained, the electrons move
Options
(a) in a circular orbit
(b) along a parabolic path
(c) along a straight line
(d) in an elliptical orbit.
Correct Answer:
in a circular orbit
Explanation:
If the electric field switched off, and the same magnetic field is maintained, the electrons move in a ciruclar orbit and electron will travel a magnetic field to its velocity.
Related Questions: - At absolute temperature, the kinetic energy of the molecules
- A meter stick of mass 400 g is pivoted at one end and displaced through an angle 60°.
- Two identical charges repel each other with a force equal to 10 mgwt they are 0.6 m
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Topics: Magnetic Effects of Current and Magnetism
(167)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- At absolute temperature, the kinetic energy of the molecules
- A meter stick of mass 400 g is pivoted at one end and displaced through an angle 60°.
- Two identical charges repel each other with a force equal to 10 mgwt they are 0.6 m
- A particle is under two mutually perpendicular simple harmonic motions
- ₉₂U²³⁵ undergoes successive disintegrations with the end product of ₈₂P²⁰³
Topics: Magnetic Effects of Current and Magnetism (167)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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