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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.
Related Questions: - A coil of 40 henry inductance is connected in series with a resistance of 8 ohm
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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 coil of 40 henry inductance is connected in series with a resistance of 8 ohm
- A bomb of mass 16 kg at rest explodes into two pieces of masses of 4 kg and 12 kg.
- If angular momentum of a body is increased by 200% its kinetic energy will increase
- Dependence of intensity of gravitational field (E) of earth with distance(r)
- Which of the following is not a transverse wave?
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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