From worksheet at end of assignment: Pre-Laboratory assignment (This will take s

Question

From worksheet at end of assignment:

Pre-Laboratory assignment (This will take some time! See worksheet at end of lab for additional help.) 1. Study the circuit in Figure RS RLa D1 1N757A VS Key=A RLb 200 Figure 1: Zener Regulator Circuit The load RL-la + RLb. RLa (a decade box) + RLb (a 200 resistor from your kit) together in series make up the load for this circuit. RLa allows for adjustment, while RLb prevents a short circuit across the zener (and smoking the source resistor). VS and RS will be determined as part of this pre-lab.

Explanation / Answer

Since for given zener diode maximum power rating is 0.5W

Iz (max) = pz (max) / 9V=0.5 / 9=55.6 mA

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