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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
- The ratio of specific charge of an α-particle to that of a proton is
- A bullet of mass 0.05 kg moving with a speed of 80 m/s enters a wooden
- In the Davisson and Germer experiment, the velocity of electrons emitted from the
- A milli ammeter of range 10 mA has a coil of resistance 1 ohm
- Following figures show the arrangement of bar magnets in different configurations
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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