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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.
Related Questions: - For a thermocouple, the neutral temperature is 270⁰C when its cold junction is at 20⁰C.
- A current I flows along the length of an infinitely long, straight, thin walled pipe.
- A body of mass (4m) is lying in x-y plane at rest. It suddenly explodes into three
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- What are the unit of K = 1 / (4 π ?￢ﾂﾒ)
Topics: Magnetic Effects of Current and Magnetism
(167)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- For a thermocouple, the neutral temperature is 270⁰C when its cold junction is at 20⁰C.
- A current I flows along the length of an infinitely long, straight, thin walled pipe.
- A body of mass (4m) is lying in x-y plane at rest. It suddenly explodes into three
- Pick out the correct statements from the following
- What are the unit of K = 1 / (4 π ?￢ﾂﾒ)
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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