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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 proton is projected with a speed of 3×10⁶ m/s horizontally from east to west.
- A 220 volts input is supplied to a transformer. The output circuit draws
- Pressure gradient has the same dimensions as that of
- Two spheres A and B of masses m and m respectively collide. A is at rest initially
- When a magnet is taken towards a coil, the induced e.m.f. depends on
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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