(a) Is this lossless network? Why? (3pts) (b) Is this reciprocal network? Why? (3pts) (c) What is return loss in dB at port I when all other ports are terminated with matched loads (3pts)? - (e) What is the reflection coefficient (7) seen at port 1 if a short circuit is placed at the terminal plane of port 3, and all other ports are terminated with matched loads (3pts)? 0.le/2 [S] =0.8e-/4 0.3e-/4 0 0.8e-1/4 0 0 0 0.4e/n/4 0.6e-/4 0.3e-4 0 0 0.4e/4 0.6e-/ 0