Note: please show all your work steps. If you missed critical steps, you will lose some points even you

have correct final answers.

Problem 1. VI is 5V, a Zener diode has a Zener voltage 3V. Please find the currents of R1, diode D, and

R2. The diode D is a silicon diode. Show your work. (30 points)

VI

R1-50

Vr=3V

Hi

R2=50