Questions
The materials suitable for making electromagnetic should have
a
high retentivity and high coercivity
b
low retentivity and low coercivity
c
high retentivity and low coercivity
d
low retentivity and high coercivity
detailed solution
Correct option is C
Electromagnets are made of soft iron. The soft iron has low retentivity and low coercivity.Talk to our academic expert!
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