what is high dielectric constant

Dielectric constant of the medium is the ratio of the electrostatic force of interaction between two given point charges held certain distance apart in vacuum/air to the force of interaction between the same two charges held the same distance apart in the material medium.

Fo/Fm = ε/εo = K.

where ε is the permittivity of the material and εo is the permittivity of vaccum.

Therefore it can also be defined as is the ratio of permittivity of the material to the permittivity of the vaccum.

 

The solvents having value of dielectric constants more than 40 are called of high dielectric constants.

 

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Materials with a high dielectric constants are good insulators.

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High dielectric constant refers to the property of the compound to reduce the electrostatic forces between its ions for rapid dissolution of another substance.

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