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In isotropic materials, which of the following quantities will be independent of the direction?

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in Electromagnetic Theory by (188k points)
In isotropic materials, which of the following quantities will be independent of the direction?

(a) Permittivity

(b) Permeability

(c) Polarisation

(d) Polarizability

I have been asked this question in homework.

My enquiry is from Polarization in section Electric Fields in Material Space of Electromagnetic Theory

1 Answer

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Best answer
The correct choice is (a) Permittivity

The best explanation: Isotropic materials are those with radiate or absorb energy uniformly in all directions (eg. Isotropic antenna). Thus it is independent of the direction.

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