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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 wire of length L metre carrying a current I ampere is bent in the form
- A current I flows along the length of an infinitely long, straight, thin walled pipe.
- The mean radius of the earth is R, its angular speed on its own axis is ?
- If force(F), Velocity(V) and time(T) are taken as fundamental units, then the dimensions
- A proton is projected with a speed of 3×10⁶ m/s horizontally from east to west.
Topics: Magnetic Effects of Current and Magnetism
(167)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A wire of length L metre carrying a current I ampere is bent in the form
- A current I flows along the length of an infinitely long, straight, thin walled pipe.
- The mean radius of the earth is R, its angular speed on its own axis is ?
- If force(F), Velocity(V) and time(T) are taken as fundamental units, then the dimensions
- A proton is projected with a speed of 3×10⁶ m/s horizontally from east to west.
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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