| ⇦ | 
| ⇨ |
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: - Astigmatism is corrected by using
- A wire of resistance 4 ohm is stretched to twice its original length.
- A circuit contains an ammeter, a battery of 30 V and a resistance 40.8 ohm
- The ratio of radii of planets A and B is K₁ and ratio of accelerations
- An air core coil and an electric bulb are connected in series with an AC source.
Topics: Magnetic Effects of Current and Magnetism
(167)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Astigmatism is corrected by using
- A wire of resistance 4 ohm is stretched to twice its original length.
- A circuit contains an ammeter, a battery of 30 V and a resistance 40.8 ohm
- The ratio of radii of planets A and B is K₁ and ratio of accelerations
- An air core coil and an electric bulb are connected in series with an AC source.
Topics: Magnetic Effects of Current and Magnetism (167)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply