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Electromagnetic theory miscellaneous

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Electromagnetic Theory

Electromagnetic theory miscellaneous
  1. TEM wave has proper density 1.2 watt/m2 in a medium ∈r = 3, µr = 1. What is the value of E?
    1. 22.85 V/m
    2. 39.57 V/m
    3. 13.19 V/m
    4. None of these
Correct Option: A

We know thatρ =
E2max
2η

1.2 =
E2max
2 ×
120 π
√∈r

or
E2max
1.2 × 2 × 120 π
√3


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