Determine the values of $,$ p$,$ g$,$ and TE$10$ for a $7\mathrm{.}2$ cm $33\mathrm{.}4$ cm rectangular wave$-$guide operating at $6\mathrm{.}2$ GHz $($a$)$ if the waveguide is air filled, $($b$)$ if the waveguide is filledwith a material having $52\mathrm{.}25$o$,5$ o$,50.$