Zener diode practice problems
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Read the Zener diode class notes.
For the Zener diode circuit shown,
- R1 = 180 Ω
- R2 = 180 Ω
- VS = 37 V
- IS = 7 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.