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  4. The material suitable for making electromagnets should have

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Q. The material suitable for making electromagnets should have

NTA AbhyasNTA Abhyas 2022

Solution:

The retentivity of an electromagnet should be low so that after removing the electric current to the substance doesn't get magnetized and return to its original state. Hence, the materials suitable for making electromagnets should have low retentivity and low coercivity.