Magnetic Effects Of Current Question 244
Question: The materials suitable for making electromagnets should have
Options:
A) High retentivity and high coercivity
B) Low retentivity and low coercivity
C) High retentivity and low coercivity
D) Low retentivity and high coercivity.
Show Answer
Answer:
Correct Answer: C
Solution:
The electromagnets are made of soft iron, soft iron has high retentivity and low coercivity.
BETA
