Zener diode practice problems
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Read the Zener diode class notes.
For the Zener diode circuit shown,
- R1 = 390 Ω
- R2 = 4.7 kΩ
- VS = 20 V
- IS = 18 mA
The breakdown voltage of the Zener diode is 12 V.
Calculate the currents iR1, iR2, and iZ, and the voltage across the Zener diode, vZ.