Magnetic Materials

Devices subjected to static magnetic fields

Devices that require high coercivity

Devices subjected to alternating magnetic fields and in which energy losses must be low (correct)

Devices that require low initial permeability

Aluminum (correct)

Nickel

Iron

Cobalt

Low initial permeability and low saturation magnetization

High initial permeability and low coercivity (correct)

High coercivity and high saturation magnetization

Low initial permeability and high coercivity