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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 linear aperture whose width is 0.02 cm is placed immediately in front of a lens
- The length of an elastic string is a metre when the longitudinal tension is 4N and b
- When a spring is extended by 2 cm energy stored is 100 J. When extended further by 2 cm
- The near point and far point of a person are 40 cm and 250 cm, respectively.
- Bohr’s postulates quantizes
Topics: Magnetic Effects of Current and Magnetism
(167)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A linear aperture whose width is 0.02 cm is placed immediately in front of a lens
- The length of an elastic string is a metre when the longitudinal tension is 4N and b
- When a spring is extended by 2 cm energy stored is 100 J. When extended further by 2 cm
- The near point and far point of a person are 40 cm and 250 cm, respectively.
- Bohr’s postulates quantizes
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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