Can insulator be called as dielectric?

@vibhor-one-zP13jP • Oct 21, 2024

Oct 21, 2024

1.3K

Hi All,

Guys after studying many book on electrical, I have a doubt to clear relating the insulator and dielectric material as they are used interchangeably in the text.

Is dielectric material is same as insulator?

Please do reply, as at least put down your view about it.

Regards

Vibhor Mittal

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timetraveller92

@timetraveller92-9iwuD1 • Dec 26, 2010

both are the same...!! The term "insulator" implies low electrical conduction whereas "dielectric" is typically used to describe materials with a high polarizability.
narayana murthy

@narayana-z4W16q • Dec 26, 2010

dielctric means which is a semi conducting material.and insulator is a material which does not allow for conduction.

dielectric is an insulator that can be used to store electrical energy.all dielectrics are insulators but the converse is not true

i had noticed these two differences between them
shreyasm89

@shreyasm89-jGobVm • Dec 26, 2010

The conductivity of a material is always determined by its electrical permitivity denoted by epsilon. Now this is a relative quantity with reference being vacuum. The value of dielectric constant 'k' is 1 for perfect insulators while for dielectrics it is less than 1.
vibhor_one

@vibhor-one-zP13jP • Dec 26, 2010

can you please elaborate more with two points that you have provided...
shreyasm89

@shreyasm89-jGobVm • Dec 27, 2010

ok, I consider a dielectric as a substance with high insulation. The reason it is called as a dielectric is that it has charge storage capability & gets polarized when an electric field is applied through it.