write the expression for the speed of light in a material medium of relative permitivity Er and relative magnetic permitivity ur

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write the expression for the speed of light in a material medium of relative permitivity Er and relative magnetic permitivity ur

Ramji Verma 23rd Jan, 2021

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Abir Gayen 23rd Jan, 2021

Hi Aspirant,

The expression for the expression of speed of light in a material medium of relative permittivity Er and relative magnetic permeability Ur is 1/square root of u0*ur*E0*Er which is also equal to the 1/square root of Er * ur.This is an important expression and it often comes in the exam.

Hope it helps!!

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