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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 parallel plate air capacitor of capacitance C is connected to a cell of emf
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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 parallel plate air capacitor of capacitance C is connected to a cell of emf
- Mass and diameter of a ring is 2 kg and 1 m respectively. The moment of inertia
- A person wants a real image of his own, 3 times enlarged. Where should he stand
- Which one of the following is not a unit of young’s modulus?
- Two discs of same material and thickness have radii 0.2 m and 0.6 m.
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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