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:
[c] The electromagnets are made of soft iron, soft iron has high retentively and low coercively.
BETA
