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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
- Consider a compound slab consisting of two different materials having equal thickness
- With the decrease of current in the primary coil from 2 amperes to zero value
- In electromagnetic spectrum, the frequencies of γ-rays and x-rays and ultraviolet rays
- A wind with speed 40 m/s blows parallel to the roof of a house. The area of the roof
- A capacitor of 10 µF charged upto 250 volt is connected in parallel with another
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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