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  4. The velocity factor of a transmission line is x. If dielectric constant of the medium is 2.6, the value of x is

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Q. The velocity factor of a transmission line is $x$. If dielectric constant of the medium is $2.6,$ the value of $x$ is

Communication Systems

Solution:

$V . F=\frac{v}{v_{c}}=\frac{1}{\sqrt{k}}$
For $k=2.6, V . F .=\frac{1}{\sqrt{2.6}}=0.62$