Engineering Board Exam Reviewer · Circuit Theorems and Conversions · medium
A source V=48 V with internal resistance Rs=15, supplies a variable load RL, as shown. Find the maximum power that can be delivered to the load.
- 38.4 W
- 153.6 W
- 76.8 W
- 19.2 W
Answer
A. 38.4 W
Solution
At RL=Rs, I=V/2Rs and Pmax=V2/4Rs= (48 V)24(15, )=38.4 W.
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