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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 20% of a radiactive element decays in 10 days, then amount of original material left
- A particle executing SHM with amplitude of 0.1 m. At a certain instant,
- “On flowing current in a conducting wire the magnetic field is produced around it”.
- A radioactive element forms its own isotope after 3 consecutive disintegrations.
- The wave function (in SI unit) for a light wave is given as Ψ(x,t)= 10³ sin π
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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