What is a dielectric material?
a. A dielectric material is a material whose relative dielectric constant is not equal to 1.
b. A dielectric material is a material which does not conduct an electric current, assuming normal operating voltages.
c. A dielectric material is a material which does not interact with an electric field in any way, assuming normal operating voltages.
d. A dielectric material is a material through which virtually no current flows, assuming normal operating voltages.