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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
- If the temperature of the sun were to increase from T to 2T and its radius from R and 2R
- If a gymnast, sitting on a rotating stool with his arms outstretched, suddenly
- A particle starting from the origin (0, 0) moves in a straight line in the (x, y) plane
- If the length of a closed organ pipe is 1.5 m and velocity of sound is 330 m/s,
- A thin equiconvex lens of refractive index 3/2 and radius of curvature 30 cm
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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