Vz = 3.9 V and the Zener diode incremental resistance is r₂ = 0. (a) Deter-
mine Iz, IL, and the power dissipated in the diode. (b) Repeat part (a) if the
4 k2 load resistor is increased to 10 ks2.
20 V2
12 ΚΩ
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Figure P2.19
14₂ 1½
VzZ
40 V
120 2
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Figure P2.20
V₂
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Fig: 1