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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
- A stone of mass 1kg is tied to a string 4m long and is rotated at constant speed
- When two displacements represented by y₁=a sin(?t) are superimposed the motion is
- A body is under stress F and has Young’s modulus Y, then the energy
- A ball is dropped from a height of 20 cm. Ball rebounds to a height of 10cm
- For inelastic collision between two spherical rigid bodies
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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