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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 car of mass m starts from rest and accelerates so that the instantaneous
- Three identical spherical shells, each of mass m and radius r are placed
- A wheel is rotating at 900 rpm about its axis.When the power is cut-off it
- A thin convex lens of refractive index 1.5 has 20 cm focal length in air. If the lens
- An electron in a circular orbit of radius 0.05 nm performs 10¹⁶ rev/s. The magnetic
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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