👉 In mathematics, the term "permittance" is often used to describe a scalar quantity that has both magnitude and direction. It can be defined as the rate of change of electric field strength with respect to time in a given region of space. The permittivity ε depends on the medium through which the electric field passes. A permittance value can also refer to the permittivity of a particular material, typically used in electrical engineering and physics for materials properties like conductivity and dielectric constant. For
