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Question

Dielectric strength of a dielectric material depends on which of the following? 

A

The electrodes with which the electric field is applied,

B

The respective geometries of the dielectric

C

The electric field which is applied

D

All of the above

Medium

Solution

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Correct option is
D

All of the above

1. As we know that with the change of temperature the movement of electrons in a material changes and hence it affects the breakdown voltage of the material.
2. Thickness i.e. geometric is very simple concept. In an electrical material if the thickness of material is increases its breakdown voltage is also increased and hence the dielectric strength. 
Hence option D is the correct answer. 
3. The electric field has a direct relation with the breakdown voltage or dielectric strength. An increase in the electric field will result in increased dielectric strength.

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