Question

What is mean by local field in a dielectric and how it is calculated for a cubic structure?

Answer 1

Answer:

Local field:

When a liquid or solid dielectric placed in an external electric field , it's​ atoms becomes electric dipole which provides field which is different than applied field. the total field at the atomic sites is called the internal field or local field.

It is represented by Ei or EL. E(local field)=E+p/3€

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