For a two port network the voltage reflection coefficient seen looking towards the load, ‚Äö√Ñ√¨‚àö¬®S is:$

(Z S +Z 0 )/ (Z 0 ‚Äö√Ñ√∂‚àö√ë‚àö¬® Z 0 )

(ZS ‚Äö√Ñ√∂‚àö√ë‚àö¬®Z0)/ (ZS ‚Äö√Ñ√∂‚àö√ë‚àö¬®Z0)

(ZS +Z0)/ (Z0 ‚Äö√Ñ√∂‚àö√ë‚àö¬® Z0)

ZS / (ZS ‚Äö√Ñ√∂‚àö√ë‚àö¬®Z0)

Z0/ (ZS ‚Äö√Ñ√∂‚àö√ë‚àö¬®Z0)

For a two port network the voltage reflection coefficient seen looking

1.	For a two port network the voltage reflection coefficient seen looking towards the load, ‚Äö√Ñ√¨‚àö¬®_S is:$
A.	(Z<sub>S</sub> ‚Äö√Ñ√∂‚àö√ë‚àö¬®Z<sub>0</sub>)/ (Z<sub>S</sub> ‚Äö√Ñ√∂‚àö√ë‚àö¬®Z<sub>0</sub>)
B.	(Z<sub>S</sub> +Z<sub>0</sub>)/ (Z<sub>0</sub> ‚Äö√Ñ√∂‚àö√ë‚àö¬® Z<sub>0</sub>)
C.	Z<sub>S</sub> / (Z<sub>S</sub> ‚Äö√Ñ√∂‚àö√ë‚àö¬®Z<sub>0</sub>)
D.	Z<sub>0</sub>/ (Z<sub>S</sub> ‚Äö√Ñ√∂‚àö√ë‚àö¬®Z<sub>0</sub>)
Answer» B. (Z<sub>S</sub> +Z<sub>0</sub>)/ (Z<sub>0</sub> ‚Äö√Ñ√∂‚àö√ë‚àö¬® Z<sub>0</sub>)