P$\mathrm{.}8-2$ Consider a transmission line made of two parallel brass strips${}_c=1\mathrm{.}6{10}^7(\frac{S}{m})-$ of width $20(mm)$ and separated by a lossy dielectric slab$-={}_0,lo{n}_r=3,={10}^{-3}(\frac{S}{m})-$of thickness $2\mathrm{.}5(mm).$ The operating frequency is $500(MHz).$

a$)$ Calculate the $R,L,G,$ and $C$ per unit length.

b$)$ Compare the magnitudes of the axial and transverse components of the electric field.

c$)$ Find $$ and $Z_0.$