The cutoff frequencies of the first two propagating modes of a Teflon on a filled circular waveguide with a=0.5 with ∈r=2.08 is:

The cutoff frequencies of the first two propagating modes of a Teflon

1.	The cutoff frequencies of the first two propagating modes of a Teflon on a filled circular waveguide with a=0.5 with ∈r=2.08 is:
A.	12.19 GHz, 15.92 GHz
B.	10 GHz, 12 GHz
C.	12 GHz, 15 GHz
D.	15 GHz, 12 GHz
Answer» B. 10 GHz, 12 GHz

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The cutoff frequencies of the first two propagating modes of a Teflon on a filled circular waveguide with a=0.5 with ∈r=2.08 is:
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The cutoff frequencies of the first two propagating modes of a Teflon on a filled circular waveguide with a=0.5 with ∈r=2.08 is:

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