The magnetic field strength (B) of a magnetic material is directly proportional to the magnetization (M) and inversely proportional to the permeability (μ) of the material.
Mathematically, B = μM
Since the volume (V) of a material does not directly affect either the magnetization or permeability, changing the volume of the material will not directly impact the magnetic field strength.
Therefore, the statement that the strength of a magnetic field increases when its volume increases is not accurate.
