Reference no: EM131345732
You have successfully completed the first course in Circuits I, and as part of an undergraduate work-study program your former professor has asked you to help her grade a Circuits I quiz. On the quiz, students were asked to find the power supplied by the source both to the 10-kΩ load (RL) and to the entire circuit as shown in given Figure. Your professor asks you to help her by creating a grading sheet.
(a) Solve the quiz and establish reasonable A, B, C, D, and F cuts for incorrect solutions.
(b) A particular student correctly finds the Thévenin equivalent circuit seen by the resistive load and calculates the power to the load using vT2=RL. He then does a source transformation, correctly finding the Norton equivalent of the circuit. He calculates the source power using vT × iN. What grade would you give him?
(c) Another student finds pL = 5:625 mW and pS = 22:5 mW, but provides no work to justify her answers. What grade would you give her?
(d) A third student first finds the Norton equivalent, and then finds the current through the load using a current divider and calculates the power in the load using iL 2RL. He figures correctly what the parallel voltage would be across the Norton circuit and the load vL, and then calculates pS = iN × vL. What grade would you give him?
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