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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.
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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
- There are four light-weight-rod samples A,B,C,D seperately suspended by threads
- In a circuit, the current lags behind the voltage by a phase difference of π/2.
- A bullet comes out of the barrel of gun of length 2m with a speed of 800 m/s
- Two vessels separately contain two ideal gases A and B at the same temperature,
- Which series of hydrogen spectrum corresponds to ultraviolet region?
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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