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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 thin and circular disc of mass M and radius R is rotating in a horizontal plane
- A block of mass m1 rests on a horizontal table. A light string connected
- A source of light is placed at a distance of 50 cm from a photocell and the stopping
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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 thin and circular disc of mass M and radius R is rotating in a horizontal plane
- A block of mass m1 rests on a horizontal table. A light string connected
- A source of light is placed at a distance of 50 cm from a photocell and the stopping
- If a charge in current of 0.01 A in one coil produces a change in magnetic flux
- Amout of heat required to raise the temperature of a body through 1 K is called its
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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