The space or zone around a magnet through which lines of force can be detected is termed?

The term that describes the space or zone around a magnet where magnetic lines of force can be detected is referred to as a magnetic field. This concept encompasses the region surrounding a magnet where other magnetic materials or magnetic field sensors can experience a magnetic force. The magnetic field is a vector field, meaning it has both magnitude and direction, and it represents the influence that the magnet exerts on its surroundings.

In this context, magnetic flux refers to the total amount of magnetic field passing through a specific area and is related but not defined as the spatial zone of influence itself. Permeability is a property of materials that indicates how easily a magnetic field can pass through them, and magnetic strength generally relates to the intensity or power of the magnet itself but does not specifically describe the surrounding zone. Thus, the term that best captures the area around a magnet is magnetic field.