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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: - The oscillating frequency of a cyclotron is 10 MHz. If the radius of its Dees is o.5 m,
- A focal length of a lens is 10 cm. What is power of a lens in dioptre?
- Spectrum of X-rays is
- A block of mass m moving at a velocity v collides with another block of mass 2m
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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
- The oscillating frequency of a cyclotron is 10 MHz. If the radius of its Dees is o.5 m,
- A focal length of a lens is 10 cm. What is power of a lens in dioptre?
- Spectrum of X-rays is
- A block of mass m moving at a velocity v collides with another block of mass 2m
- The electric field in a certain region is acting radially outward and is given by E=Ar.
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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