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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
- A beam of light consisting of red, green and blue colours is incident on a right
- If F⃗ is the force acting on a particle having position vector r⃗ and ? ⃗ be the torque
- A particle is kept at rest at the top of a sphere of diameter 42m.When disturbed slightly
- A body with mass 5 kg is acted upon a force F=(-3i+4j) N.If its initial velocity at
- At a given temperature the root mean square velocities of oxygen and hydrogen
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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