Materials suitable for permanent magnets, must have which of the following properties?

Options

A. High retentivity, low coercivity and high pemeability
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

Explanation

Materials suitable for permanet magnet should have high retnituvity , high coerctivity and high permeability.