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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 conductivity in the intrinsic semiconductor does not depend on
- A uniform wire of resistance 9Ω is joined end-to-end to form a circle. Then
- A certain current on passing through a galvanometer produces a deflection
- A block of 2 kg is kept on the floor. The coefficient of static friction is 0.4
- A parallel plate condenser with a dielectric of dielectric constant K between the plates
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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