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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 parallel plate air capacitor is connected to battery. After charging fully
- A point source is kept at a distnace 1000m has an illumination I. To change the illumination
- A tuning fork frequency 512 Hz is vibrated with a sonometer wire and 6 beats per second
- The de-Broglie wavelength of neutron in thermal equilibrium at temperature T is
- what is the electric potential at a distance of 9cm from 3nC?
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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