Materials suitable for permanent magnet, must have which of the following properties?
Materials suitable for permanent magnet, must have which of the following properties?
A. High retantivity low coercivity and high permeability
B. Low retantivity low coercivity and low permeability
C. Low retantivity high coercivity and low permeability
D. High retantivity high coercivity and high permeability
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Correct Answer - D
Materials suitbale for permanent magnetis should have retentivity, high coercivity and high permeability.
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