Insulators

Definition

Materials that do not allow electric charges to flow freely through them due to their lack of free electrons. Insulators have high resistance and do not conduct electricity well.

Related terms

Electric Field Lines: Imaginary lines that represent the direction and strength of an electric field.

Dielectric:

An insulating material placed between the plates of a capacitor to increase its capacitance.

Polarization:

The process of separating positive and negative charges within an insulating material in response to an external electric field.