Em Waves Question 108

Question: The wave impendance of free space is

Options:

A) zero

B) $ 376.6\Omega $

C) $ 33.66\Omega $

D) $ 3.76\Omega $

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Answer:

Correct Answer: B

Solution:

[b] Wave impedance $ Z=\sqrt{\frac{{\mu _{0}}}{{\varepsilon _{0}}}}=376.6\Omega $