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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: - A potentiometer wire is 100cm long and a constant potential difference is maintained
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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
- A potentiometer wire is 100cm long and a constant potential difference is maintained
- The input characteristics of a transistor in CE mode is the graph obtained by plotting
- In an NPN transistor the collector current is 24 mA. If 80% of the electrons
- In an ammeter, 0.2% of main current passes through the galvanometer
- Time period of oscillation of a magnet is 2 sec. When it is remagnetised
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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