railway RRB JE (CBT I + CBT II) Mock Test 2024 Electromagnetic Theory Electromagnetic Wave Propagation Wave Propagation in Lossy Medium
A wave is incident from free-space onto a dielectric region of dielectric constant εr = 4, The wave impedance in the dielectric is:
1
55.5 Ω
2
100.5 Ω
3
108.6 Ω
4
188.5 Ω