IEC 60050 - International Electrotechnical Vocabulary


IEVref:	705-03-02		ID:
Language:	en		Status: Obsolete

Term:	(absolute) permittivity
Synonym1:	(absolute) dielectric constant (deprecated) [Preferred]
Synonym2:
Synonym3:
Symbol:
Definition:	a scalar quantity ε or tensor quantity $\vec{\vec{ε}}$ which when multiplied by the electric vector $\vec{E}$ is equal to the electric flux density vector $\vec{D}$ : $\vec{D} = ε \vec{E}$ or $\vec{D} = \vec{\vec{ε}} \vec{E}$ NOTE – The absolute permittivity is a scalar quantity in an isotropic medium and a tensor quantity in an anisotropic medium.
Publication date:	1995-09
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ε ε → → MathType@MTEF@5@5@+=feaagCart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHXgaruavP1wzZbItLDhis9wBH5garmWu51MyVXgaruWqVvNCPvMCG4uz3bqee0evGueE0jxyaibaieYdi9WrpeeC0lXdi9qqqj=hEeeu0lXdbba9frFj0xb9Lqpepeea0xd9s8qiYRWxGi6xij=hbba9q8aq0=yq=He9q8qiLsFr0=vr0=vr0db8meaabaGaamGadiWaaiGabaabaiGafaaakeaacuaH1oqzgaWcgaWcaaaa@3B54@ E → MathType@MTEF@5@5@+=feaagCart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHXgaruavP1wzZbItLDhis9wBH5garmWu51MyVXgaruWqVvNCPvMCG4uz3bqee0evGueE0jxyaibaieYdi9WrpeeC0lXdi9qqqj=hEeeu0lXdbba9frFj0xb9Lqpepeea0xd9s8qiYRWxGi6xij=hbba9q8aq0=yq=He9q8qiLsFr0=vr0=vr0db8meGabiGacmGadiWaaiGabaabaiGafaaakeaadaWhcaqaaiaadweaaiaawEniaaaa@3C0E@ D → MathType@MTEF@5@5@+=feaagCart1ev2aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbbjxAHXgaruavP1wzZbItLDhis9wBH5garmWu51MyVXgaruWqVvNCPvMCG4uz3bqee0evGueE0jxyaibaieYdi9WrpeeC0lXdi9qqqj=hEeeu0lXdbba9frFj0xb9Lqpepeea0xd9s8qiYRWxGi6xij=hbba9q8aq0=yq=He9q8qiLsFr0=vr0=vr0db8meGabiGacmGadiWaaiGabaabaiGafaaakeaadaWhcaqaaiaadweaaiaawEniaaaa@3C0E@

\vec{D} = ε \vec{E}

or

\vec{D} = \vec{\vec{ε}} \vec{E}