# fn_sample - EE 101 Prof. Abbas El Gamal Handout # 26 March....

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Handout # 26 Prof. Abbas El Gamal March. 11, 2003 Sample Final Problems The following are from previous years’ Fnals. Just solving these problems is not su±cient to prepare for the Fnal, however. You need to review the lecture notes and the homeworks. 1. The circuit below is in sinusoidal steady state. (a) ²ind the value of R that maximizes the average power delivered to it. (b) Assuming the value of R from (a), Fnd the total average power dissipated in R . (c) Assuming the value of R from part (a), Fnd the total average power supplied by the sources in the circuit. cos t V sin t V 0 . 1H R cos t A 2. Consider the bipolar transistor circuit in the Fgure below. Assume that the base to emitter junction is modeled as an ideal diode with v th = 1V, and that the collector current i c = 99 i b , where i b is the base current. The Switch is in position 1 for t < 0, 2 for 0 t < 10ns, and 1 for t 10ns. ²ind an explicit expression for v out for t 0 assuming that the circuit is in steady state at

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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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fn_sample - EE 101 Prof. Abbas El Gamal Handout # 26 March....

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