Homework 6 Due Wednesday September 7 1 Find the equivalent resistance Req for each of the circuits in Figure 1 Notice that the circuit of b is a modification of a and that of c is a modification of b Figure 1 Model circuits for Problem 1 1 Friday September 2 2011 Friday September 2 2011 2 In the circuit of Figure 2 determine gm such that the power delivered to the 20 k load resistor is 40Pin where Pin is the instantaneous power consumed by the 8 k resistor Equivalently Pin is the power delivered by the non ideal voltage source see Figure 2 Figure 2 Model circuit for Problem 2 3 Find the equivalent conductance Geq and the equivalent resistance Req seen by the current source Is in the circuit of Figure 3 in terms of the literals R1 R2 and gm Evaluate when R1 20 k R2 30 k and gm 0 01 mS Friday September 2 2011 Friday September 2 2011 Figure 3 Model circuit for Problem 3 2
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