Q. The wave impedance of free space is

1745 230 Electromagnetic Waves Report Error

A

$0$

21%

B

$376.6 Ω$

79%

C

$1883 Ω$

0%

D

$3776 Ω$

0%

Solution:

$Z = \frac{μ _{r}}{ε _{r}} \times \frac{μ _{0}}{ε _{0}}$
$= \frac{50}{2} \times 376.6 Ω = 1883 Ω$