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What is dielectrics and what are its usages

Asked by sahu.mithun07 10th December 2018, 11:23 PM
Answered by Expert
Usually dielectric is electric insulator but can be easily polarised by an external electric field or in simple language dielectric can hold charges that's why  dielectric are used in capacitor to increase there capacitance. That means they hold more charge.  If some material has dielectric constant k then the capacitance of a capacitor get increased by k times if we use dielectric. 
Answered by Expert 11th December 2018, 10:15 AM
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