All practical dielectrics fail with sufficiently strong electric field, which is abrupt and is observed as a sudden, dramatic increase in conductivity, signaling that electrons are being successfully ...All practical dielectrics fail with sufficiently strong electric field, which is abrupt and is observed as a sudden, dramatic increase in conductivity, signaling that electrons are being successfully dislodged from their host molecules. The threshold value of the electric field intensity at which this occurs is known as the dielectric strength, and the sudden change in behavior observed in the presence of an electric field greater than this threshold value is known as dielectric breakdown.
