1.

Expression for the characteristic impedance of a transmission line(λ/4) used for impedance matching is:$

A. Z<sub>1</sub>=‚àö(Z‚ÇíR)L
B. Z<sub>1</sub>=‚àö(Z‚Çí/R)L
C. Z<sub>1</sub>=‚àö(Z‚Çí+R)L
D. None of the mentioned
Answer» B. Z<sub>1</sub>=‚Äö√Ñ√∂‚àö‚Ć‚àö‚àÇ(Z‚Äö√Ñ√∂‚àö√°‚àö‚â†/R)L


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