Cutoff frequency fC for TEM mode of propagation is: – McqOptions

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1.	Cutoff frequency fC for TEM mode of propagation is:
A.	Fc= (2n-1)c/4d√εr -1
B.	Fc= (2n-c)/2d(√εr-1)
C.	Fc= (2n-1)/4d(√εr)
D.	Fc= (2n-1)/8d√εr – 1
Answer» B.

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