Expression for the characteristic impedance of a transmission line(λ/ – McqOptions

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1.	Expression for the characteristic impedance of a transmission line(λ/4) used for impedance matching is:
A.	z1=√(zₒr)l
B.	z1=√(zₒ/r)l
C.	z1=√(zₒ+r)l
D.	none of the mentioned
Answer» B. z1=√(zₒ/r)l

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