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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: - An air bubble in a glass slab with refractive index 1.5 (near normal incidence)
- The 6563 Å line emitted by hydrogen atom in a star is found to be red shifted by 5Å
- Find the fundamental frequency of a closed pipe if the length of air column is 42m.
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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
- An air bubble in a glass slab with refractive index 1.5 (near normal incidence)
- The 6563 Å line emitted by hydrogen atom in a star is found to be red shifted by 5Å
- Find the fundamental frequency of a closed pipe if the length of air column is 42m.
- A coil of 100 turns carries a current of 5 mA and creates a magnetic flux of 10⁻⁵ Wb.
- If light emitted from sodium bulb is passed through sodium vapour,
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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