Definition:Electrical Insulator/Examples/Porcelain

Example of Electrical Insulator

Porcelain is a good electrical insulator.

In order to overcome the forces which bind its electrons to its atoms, an electric field of the order of $10^9 \ \mathrm V \, \mathrm m^{-1}$ is needed.

Sources

• 1990: I.S. Grant and W.R. Phillips: Electromagnetism (2nd ed.) ... (previous) ... (next): Chapter $1$: Force and energy in electrostatics: $1.3$ Electric Fields in Matter: $1.3.3$ The macroscopic electric field