A â€œcirculatorâ€ is a device that: – McqOptions

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1.	A â€œcirculatorâ€ is a device that:
A.	rotates signal polarity in a waveguide
B.	allows a signal to pass in one direction only
C.	separates signals among various ports
D.	prevents microwaves from being â€œtrappedâ€ in a waveguide
Answer» D. prevents microwaves from being â€œtrappedâ€ in a waveguide

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