Materials suitable for permanent magnet, 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.
Answer:D
Materials suitable for permanent magnet, 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.