D. J. Sullivan and B.B. Godfrey- EM Wave Electron Acceleration
EM Wave characterestics notes-II
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Transcript of EM Wave characterestics notes-II
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UNIT-V
EM Waves characteristics
Plane waves: Refraction & reflection
Normal and oblique incidences: for prefect conductors and perfect dielectrics
Brewster angle, critical angle and total internal reflection
Surface impedance, poynting vector & poynting theorem
Power loss in plane conductors, problems
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OBLIQUE INCEDANCE
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Surface impedance:
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Pointing vector and pointing theorem
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Complex Pointing Vector:
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Questions:
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Bits:
1. E . H of a Uniform plane wave is zero
2. Velocity of the wave in an ideal conductor is zero
3. If E=2V/m of a wave in free space ,(H) is
4. The velocity of EM wave in free space is independent of f
5. If E is a vector ,then zero
6. For a uniform plane wave propagating in z-direction E Z=0 and H Z=0
7. The velocity of propagation of EM wave is
8. The Intrinsic impedance of a medium is given by 40
9. Electric field just above a conductor is always normal to the surface
10. Intrinsic impedance of free space is
11. Dissipation factor, D f =
12. Phase constant in good conductors is
13. in good dielectric is =
14. Transmission coefficient =
15. Reflection coefficient =
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16. Snell’s law is given by
17. Unit of and are the same (yes/no )
18. The solution of uniform plane wave propagating in x direction is
E= f ( x-v
0t
)
19. Propagation constant is
20. Propagation constant is
21. Poynting vector P=E H