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The materials suitable for making electromagnets should have

Options

  1. AHigh retentivity and high coercivity
  2. BLow retentivity and low coercivity
  3. CHigh retentivity and low coercivity
  4. DLow retentivity and high coercivity

Correct answer

C. High retentivity and low coercivity

Step-by-step solution

Electromagnets are made of soft iron. The soft iron has high retentivity and low corectivity.

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