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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
- An electric dipole placed in a non-uniform electric field experiences
- A wire of one metre length carries a constant current. The wire is bent to form
- A particle of mass 100 g is thrown vertically upwards with a speed of 5 m/s. The work
- A n-p-n transistor is connected in common emitter configuration in a given amplifier.
- If the electric field lines is flowing along axis of a cylinder, then the flux
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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