What is the voltage attenuation provided by a 25 cm length of waveguid – McqOptions

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1.	What is the voltage attenuation provided by a 25 cm length of waveguide having a = 1 cm and b = 0.5 cm in which a 1 Ghz signal is propagated in the dominant mode?
A.	721 dB
B.	681 dB
C.	512 dB
D.	481 dB
Answer» C. 512 dB

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