(50 points) Consider the two-port network shown with n = 4, R = 7k and C = 8μF. a. Determine the hybrid [h] and impedance [z] parameters (as functions of s; hint: each hybrid parameter is a first order transfer function). 1:n C M-| Ω S [z] 5 5 Ω Ω Ω Ω R b. For sources is(t) = 3cos(450t)mA and vs (t) = 3u(t)V, compute v1(t) and i2(t) (Hint: use superposition on the result from part (a), using phasor domain analysis for one part and Laplace domain analysis for the other). 1:n www mm R V's + [Note: For the sinusoidal portion of the answer, enter angle in radians instead of degrees. Also, for the Heaviside function, use "u(t)".] v1(t) = i2(t) = V mA ↑ VI