0 0 votes The phase velocity for the $\mathrm{TE}_{10}$ – mode in an air-filled rectangular waveguide is less than $c$ equal to $c$ greater than $c$ none of the above ( $c$ is the velocity of plane waves in free space) Transmission lines gate2002-ec plane-waves-and-properties transmission-lines others + – admin 269 views answer comment Share Follow Add Sync Questions Print 0 reply Please log in or register to add a comment.