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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 conveyor belt is moving at a constant speed of 2 m/s. A box is gently dropped on it
- ln a surrounding medium of temperature 10⁰C a body takes 7 min for a fall
- The interferance pattern is obtained with two coherent light sources of intensity
- The current gain of a transistor in common base configuration is 0.96.
- A 0.01 H inductor and √3 πΩ resistance are connected in series
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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