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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 metal conductor of length 1m rotates vertically about one of its ends at angular
- A moving coil galvanometer of resistance 100 Ω is converted to ammeter by a resistance
- In an LCR circuit, capacitance is changed from C to 2C. For the resonant frequency
- A thermally insulated rigid container contains an ideal gas heated by a filament
- A proton is projected with a speed of 3×10⁶ m/s horizontally from east to west.
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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