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A plane wave propagating through a medium [Er = 8, Vr = 2 and σ = 0] has its electric field given by
. The wave impedance in ohms is—→ ^ E = 0.5 ax e–(z/3) sin (108 t – β2) V/m
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- 377
- 198.5 ∠180º
- 182.9 ∠14º
- 133.3
Correct Option: A
Wave impedance of medium is given by
| n | = | = | ||
Hys | Hy5 |
= | n0 = 377 Ω | |
√μr/εr |