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If an electromagnetic wave is propagation in a medium with permittivity ε and permittivity μ, then $\sqrt{\frac{\mu}{ε}}$ is the |
Intrinsic impedance of the medium Square of the refractive index of the medium Refractive index of the medium Energy density of the medium |
Intrinsic impedance of the medium |
$\sqrt{\frac{\mu}{ε}}$ = has the dimensions of resistance, hence it is called the intrinsic impedance of the medium |
