Question

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

• A. $0.26$
• B. $0.62$
• C. $2.6$
• D. $6.2$

Answer 1

Answer: (B)

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