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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
- The apparent weight of the body of mass 10 kg when it is travelling upwards with
- A particle of mass ‘m’ is kept at rest at a height 3R from the surface of earth
- Energy of photon whose frequency is 10¹² MHz will be
- The S.I. unit of electric flux is
- The impurity atoms with which pure silicon may be doped to make it a p-type
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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