hw5 - EE101 Handout # 10 Prof. A. El Gamal Feb 6, 2003...

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Unformatted text preview: EE101 Handout # 10 Prof. A. El Gamal Feb 6, 2003 Homework Assignment #5 Due: Thursday 2/13 1. Consider the circuit below: v s i s 2A 2Ω 2Ω 1Ω 1Ω (a) Find an explicit expression for the power p supplied by the 2A current source. ( i s and v s may appear in your answer.) (b) Now suppose that you can adjust i s over the range 0A to 1A, and v s over the range 0V to 5V. Find the settings of i s and v s that maximize the power supplied by the 2A current source. Hint: Use superposition. 2. Superposition for powers? Consider the circuit shown below: R 1 R 2 R 3 1Ω i 1 i 2 1 We want to find the power p that will be dissipated in the 1Ω resistor with i 1 = 3A and i 2 = 1A. Unfortunately we can only find two 1A current sources in the laboratory. The resistor values R 1 , R 2 , and R 3 are not known. Three experiments are performed. In the first experiment, the source i 1 is turned on ( i 1 = 1A), i 2 is turned off ( i 2 = 0A), and the power dissipated in the 1Ω resistor is measured to be 0 . 25W. In the second experiment, i 1 is turned off, i 2 turned on, and the power dissipated in the 1Ω resistor is 0...
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This note was uploaded on 04/06/2010 for the course EE 102 taught by Professor Pingli during the Fall '08 term at Shanghai Jiao Tong University.

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hw5 - EE101 Handout # 10 Prof. A. El Gamal Feb 6, 2003...

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