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Question
Physics
The materials suitable for making electromagnets should have
Q. The materials suitable for making electromagnets should have
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NTA Abhyas
NTA Abhyas 2022
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A
High retentivity and high coercivity
B
Low retentivity and low coercivity
C
High retentivity and low coercivity
D
Low retentivity and high coercivity
Solution:
Electromagnets are made of soft iron. The soft iron has high susceptibility, low retentivity and low coercivity.