For the matched line, the parameters S12 and S21 are

1.	For the matched line, the parameters S₁₂ and S₂₁ are
A.	1
B.	0
C.	-1
D.	‚Äö√Ñ√∂‚àö‚Ä†‚àö¬™
Answer» C. -1

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