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An electron moving in a uniform magnetic field of induction of intensity B, has its radius directly proportional to
Options
(a) its charge
(b) magnetic field
(c) speed
(d) none of these
Correct Answer:
speed
Explanation:
When electron moves in magnetic field
mv² / r = qvB or, r = mv / qB.
Related Questions: - If a solid sphere of mass 1 kg and radius 0.1 m rolls without slipping at a uniform
- A conductor of length 5 cm is moved parallel to itself with a speed of 2 m/s,
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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
- If a solid sphere of mass 1 kg and radius 0.1 m rolls without slipping at a uniform
- A conductor of length 5 cm is moved parallel to itself with a speed of 2 m/s,
- If potential(in volts) in a region is expressed as V(x,y,z) = 6xy – y + 2yz,
- Light from the constellation Virgo is observed to increase in wavelength by 0.4%
- Which of the following substances has the highest elasticity?
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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