books its relationship to electrostatics
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# Electrostatics The science of electrostatics
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# Electrostatics Electrostatics
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Source: wikipedia.org
علاقته بالانزياح الكهربائي (Info)
يوصف المجال الكهربائي أيضا بالانزياح الكهربائي (كثافة التدفق الكهربائي) وخاصية للمادة تسمى سماحية كهربائية. بالنسبة إلى الفراغ تنطبق المعادلة :
وهنا سماحية الفراغ أو الثابت الكهربائي للفراغ. وبالنسبة لمادة يتخللها المجال الكهربائي، تنطبق المعادلة :
حيث سماحية المادة للكهرباء وهي خاصية تختلف من مادة لأخرى.
