Dielectrics yog cov insulators uas tuaj yeem ua hluav taws xob polarized. Tus nqi ntawm cov dielectric yog nruj nreem khi los ntawm lub zog sab hauv lossis intermolecular ntawm atoms thiab molecules, yog li cov nqi ntawm cov khoom no yog cov nqi khi.
