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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
- If sink is at a temperature of -39⁰C and source at 0⁰C, then efficiency will be
- An electric dipole of dipole moment p is aligned parallel to a uniform electric field E
- The electric field in a certain region is acting radially outward and is given by E=Ar.
- Two tuning forks are sounded together and produce 2 beats per second.
- In communication with help of antenna if height is doubled then the range
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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