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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
- The electromagnetic theory of light failed to explain
- An open knife edge of mass 200g is dropped from height 5m on a cardboard
- A,B and C are voltmeters of resistance R, 1.5 R and 3R respectively, as shown
- A soap bubble oscillates with time period T, which in turn depends on the pressure
- If α (current gain) of transistor is 0.98, then what is the value of β
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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