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Core of electromagnets are made of ferromagnetic material which has
Options
(a) low permeability and high retentivity
(b) high permeability and low retentivity
(c) low permeability and low retentivity
(d) high premeability and high retentivity
Correct Answer:
high permeability and low retentivity
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 one of the following statements is true, if half-life of a radioactive substance
- The flux linked with a coil at any intant t is given by ?=10t² – 50t + 250
- An artificial satellite is revolving round the earth in a circular orbit. Its velocity
- A uniform rope of length 12 m and mass 6 kg hangs vertically from a rigid support.
- The work done in rotating a magnetic of magnetic moment 2 A-m² in
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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