📝 Multiple Choice Question
General-science
The core of an electromagnet is typically made of soft iron because soft iron possesses:
A
low retentivity and low coercivity
B
high retentivity and high coercivity
C
low permeability
D
high electrical resistance
Explanation
Soft iron magnetizes easily and demagnetizes quickly when current stops, making it ideal for temporary electromagnets.
Report Issue
Discussion (0 Comments)
Leave a Comment
No comments yet. Be the first to comment!
📌 Related Questions
In a nuclear reactor, heavy water is commonly utilized as a:...
Solve →The work done by a centripetal force is:...
Solve →When a ship moves from river water into the ocean, it rises a little b...
Solve →What does the slope of a displacement-time graph directly represent?...
Solve →In a p-n junction diode, the depletion layer is formed by:...
Solve →