1.

Expression for a transmission co-efficient of a transmission line is :

A. 2Z<sub>L</sub>/ ( Z<sub>L</sub>+Z<sub>0</sub>)
B. (Z<sub>L</sub>-Z<sub>0</sub>)/ (Z<sub>L</sub>+Z<sub>0</sub>)
C. 2Z<sub>0</sub>/( Z<sub>L</sub>+Z<sub>0</sub>)
D. (Z<sub>L</sub>+Z<sub>0</sub>)/ (Z<sub>L</sub>-Z<sub>0</sub>)
Answer» B. (Z<sub>L</sub>-Z<sub>0</sub>)/ (Z<sub>L</sub>+Z<sub>0</sub>)


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