AIPMT PRELIMS2010Physics-Magnetism
AIPMT PRELIMS 2010 Physics Electromagnets MCQ Question
Type: MCQ-conceptual-Easy-Class 12
Electromagnets are made of soft iron because soft iron has
A
High retentivity and low coercive force
B
Low retentivity and high coercive force
C
High retentivity and high coercive force
D
Low retentivity and low coercive force
Correct Answer
Option D
Detailed Explanation
Soft iron is used in electromagnets because it has low retentivity and low coercive force, allowing it to easily magnetize and demagnetize.
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