Discussion :: Communication Systems
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Which one of the following is true?
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A.
Characteristic impedance of twin wire feeder and coaxial cable are nearly the. same
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B.
The characteristic impedance of coaxial cable is more than that of twin wire cable
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C.
The characteristic impedance of twin wire cable is more than that of coaxial cable
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D.
The characteristic impedance of a twin wire feeder may be more or less than that of coaxial cable
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Answer : Option C
Explanation :
Z0 for twin wire cable is about 300 ohms while that for coaxial cable is about 75 ohms.
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