Difference Between Electromagnets and Permanent Magnets
State whether...
Question
State whether true or false.
Soft iron can be easily magnetised and demagnetised.
A
True
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B
False
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Solution
The correct option is A True
Soft iron is an eg. of soft ferromagnetic material whose retentivity and coercivity is very low. so, it be easily magnetized when current is allowed to flow through the coil and easily demagnetised by stoping the flow of current.