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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
- Which scientist experimentally proved the existence of electromagnetic waves?
- Three resistances P,Q,R each of 2Ω and an unknown resistances S form the four arms
- In Young’s double slit experiment, a third slit is made in between the double slits.
- If a given volume of water in a 220V heater is boiled in 5 min, then same volume
- A gramophone record is revolving with an angular velocity ?. A coin is placed at
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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