materials suitable for permanent magnets, must have which of the following properties?
- A
High retentivity, low coercivity and high permeability.
- B
Low retentivity, low coercivity and low permeability.
- C
Low retentivity, high coercivity and low permeability.
- D
High retentivity, high coercivity and high permeability.
✓ Correct answer: D
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