| ⇦ | 
| ⇨ |
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 physical quantity which does not have the same dimensions as the other three is
- An atom bomb weighing 1 kg explodes releasing 9×10¹³ J of energy.
- Two circuits have a mutual inductance of 0.1 H. What average e.m.f. is induced
- An ideal coil of 10 H is connected in series with a resistance of 5Ω and a battery
- B is doped in Si or Ge, then we will get
Topics: Magnetic Effects of Current and Magnetism
(167)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The physical quantity which does not have the same dimensions as the other three is
- An atom bomb weighing 1 kg explodes releasing 9×10¹³ J of energy.
- Two circuits have a mutual inductance of 0.1 H. What average e.m.f. is induced
- An ideal coil of 10 H is connected in series with a resistance of 5Ω and a battery
- B is doped in Si or Ge, then we will get
Topics: Magnetic Effects of Current and Magnetism (167)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply