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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.
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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
- One mole of an ideal gas at an initial temperature of T K, does 6R joule of work
- Number of electrons in one mC charge, given e=1.6×10⁻¹⁹ C, will be
- Two radioactive materials X₁ and X₂ have decay constants 5λ and λ respectively
- A boy playing on the roof of a 10m high building throws a ball with a speed
- The molecular weight of a gas is 44. The volume occupied by 2.2 g of this gas
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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