Refer to the Zener diode-based voltage regulator shown in Figure 6 below: RL VL Figure 6 Given Vs fluctuate between 12.2-14.6 V, R; = 172, 1, = 42, V20 = 9 V, maximum load current is 150 mA, and required Vi. = 9 V. (a) Calculate source regulation. (b) Determine the load regulation. (c) What should be the power rating of the Zener diode

b. Calculate the following about the circuit in the figure (If silicon diodes are employed in the rectification);i. the peak value of the output voltage considering the drop across each diode, Vpk.ii. the average voltage, Vdc. iii. The current through the load resistor, IL.iv. The current diode, Id.v. The frequency of the output signal, Fout.vi. Calculate the efficiency of the full wave rectifier expressed in percentage. vii. Sketch a graph of the input and output voltage against time.

Need to help 4,5,6 questions, pls assist thanks

. A half-wave rectifier is needed to supply 15-V dc to a load that draws an average current of 300 mA. The peak-to-peak ripple is required to be 0.2 V or less. What is the minimum value allowed for the smoothing capacitance?