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Electric Charges and Fields — Physics STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 SciencePhysicsElectric Charges and Fields1 Mark
Question
Define dielectric constant of a medium. What is its S.I. unit?
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Answer

Dielectric Constant of a medium is the ratio of intensity of electric field in free space to that in the dielectric medium.

Alternate Answer

It is the ratio of capacitance of a capacitor with dielectric medium to that without dielectric medium.

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