Engineering Board Exam Reviewer · Circuit Theorems and Conversions · medium
A circuit has a Thevenin equivalent of 20 V and 8, . What is the maximum power it can deliver to a load?
- 50 W
- 25 W
- 12.5 W
- 6.25 W
Answer
C. 12.5 W
Solution
Maximum power occurs when RL=RTh=8, : Pmax= VTh24RTh=202/4(8)=12.5 W.
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