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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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- A capacitor is charged to 200 volt. It has a charge of 0.1 coulomb.
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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 magnifying glass of focal length 5 cm is used to view an object by a person
- A capacitor is charged to 200 volt. It has a charge of 0.1 coulomb.
- A bullet comes out of the barrel of gun of length 2m with a speed of 800 m/s
- The horizontal range and maximum height attained by a projectile are R and H,respectively
- The molar specific heat at constant pressure of an ideal gas is (7/2)R. The ratio
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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