The measure of a material's resistance to magnetism is known as _____.

A) permeability
B) reluctance
C) saturation
D) residual magnetism

Reluctance

Resistance to magnetism.

Resistance

A measure of an object's opposition to the flow of electric current, resulting in electrical energy being dissipated as heat.

Material's

Pertaining to the substance or substances from which something is or can be made, often highlighting properties or characteristics.