A real voltage source is modeled in Figure P3.72 as an ideal source VS in series with a resistance RS . This model accounts for internal power losses found in a real voltage source. A load R is connected across the terminals of the model.
VS = 12 V RS = 0.3?
a. Plot the power dissipated in the load as a function of the load resistance. What can you conclude from your plot?
b. Prove, analytically, that your conclusion is valid in all cases.
Analysis:
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