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30 points) Consider the circuit in Fig. 3, in which V, 48V, R -10k2, R2 = 5K2 , R3 = 100K, and R4-50M. The Zener has a ½-3V and internal resistance Rz 100Ω . What is the output voltage over the load R1 for RL=100kΩ? R1 R3 Fig. 3
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