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The current in the windings of a toroid is 2.0 A. There are 400 turns and the mean circumferential length is 40 cm. If the inside magnetic field is 1.0 T, the relative permeability is approximately
Options
(a) 100
(b) 200
(c) 300
(d) 400
Correct Answer:
400
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 comb run through one’s dry hair attracts small bits of paper. This is due to
- A Gaussian surface in the cylinder of cross-section πa² and length L is immersed
- Two sound waves of wavelengths 5m and 6m formed 30 beats in 3 seconds
- The radioactivity of a certain material drops to 1/16 of the initial value in 2 hours.
- Calcium plate has a maximum possible radiation wavelength 400 nm to eject electrons.
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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