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An electron moving in a circular orbit of radius r makes n rotations per second. The magnetic field produced at the centre has magnitude
Options
(a) μ₀ne/2πr
(b) zero
(c) μ₀n²e/r
(d) μ₀ne/2r
Correct Answer:
μ₀ne/2r
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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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 resistor 30Ω, inductor of reactance 10 Ω and capacitor of reactance 10 Ω
- A body covers 200 cm in the first 2 seconds and 220 cm in the next 4 seconds.
- In a transistor, the value of βis 100, then the value of α will be
- A metal rod of length l cuts across a uniform magnetic field B with a velocity v.
- Which of the following statement about scalar quantity is true?
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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