Problem 2 (10 points) Do problem 43 on page 128 of the attached document. Show all the calculations with proper math notation in order to receive credit. *43. a. Design the network of Fig. 2.187 to maintain V₂ at 12 V for a load variation (I) from 0 mA to 200 mA. That is, determine Rs and Vz b. Determine Pz max for the Zener diode of part (a). 16 Vo- Rs ww Vz RL FIG. 2.187