The ratio of the radii required to give a 60 ohm coaxial line filled w

1.	The ratio of the radii required to give a 60 ohm coaxial line filled with PTFE of _r = 2, _r = 1 is
A.	4.1: 1
B.	3.25: 1
C.	1: 1
D.	7.39: 1
Answer» B. 3.25: 1

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The ratio of the radii required to give a 60 ohm coaxial line filled with PTFE of r = 2, r = 1 is

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The ratio of the radii required to give a 60 ohm coaxial line filled with PTFE of _r = 2, _r = 1 is