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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: - Across a metallic conductor of non-uniform cross-section, a constant potential
- Two bullets are fired simultaneously, horizontally and with different speeds
- A body of mass 3 kg acted upon by a constant force is displaced by S meter
- A choke is preferred to a resistance for limiting current in AC circuit because
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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
- Across a metallic conductor of non-uniform cross-section, a constant potential
- Two bullets are fired simultaneously, horizontally and with different speeds
- A body of mass 3 kg acted upon by a constant force is displaced by S meter
- A choke is preferred to a resistance for limiting current in AC circuit because
- When temperature of an ideal gas is increased from 27⁰C to 227⁰C,
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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