A 470 Ω RL is connected across a voltage source, VS, of 120 V. The source's internal resistance, RS, is 12 Ω. What is the output voltage across the load?
A. 120 V
B. 0 V
C. 117 V
D. 12 V
Answer: Option C
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Voltage divider rule
Vo= (source voltage * resistance of the same branch)/sum of resistances
Output Voltage = Vo = Vs*RL/(Rs+RL).