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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 flywheel rotating about a fixed axis has a kinetic energy of 360 J when
- An electric charge 10⁻³ μC is placed at the origin (0,0) of X-Y co-ordinate system.
- The refractive index of water, glass and diamond are 1.33, 1.50, 2.40 respectively
- An a.c. supply gives 30 volt r.m.s which passes through a 10Ω resistance.
- A bottle full of water in a space ship at 30⁰C is carried on the moon.
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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