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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
- A lead bullet of 10 gm travelling at 300 m/s strikes against a block
- On the horizontal surface of a truck a block of mass 1 kg is placed (µ=0.6) and truck
- An electron of a stationary hydrogen atom passes from the fifth energy level to
- A charged particle enters a uniform magnetic field with a certain speed at right angles
- In which process, the P-V indicator diagram is a straight line parallel to volume
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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