Q. 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
Explanation
(b) $v.f. = \frac{1}{\sqrt{k}} = \frac{1}{\sqrt{2.6}} = 0.62$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.