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Unformatted text preview: 1. (25 pts) For the circuit in the ﬁgure (a) (17pts)Determine the Thevenin equivalent, at the terminals A — B. Use R1 = 2M2,
R0 = 10190, b = 0.4,a = 0.5. (b) (Spts) A current source of 20mA, in parallel with a 12K! resistor, is connected between
terminaks A — B. Determine the power transferred to the circuit. \Qm k 2. (30pts)For the circuit in the ﬁgure use b = 2[V/ma], R2 = 12kQ, R1 = 4M], V3 = 32V,Is =
10mA. (a) (20pts) Determine the value of the load resistance, RL, to achieve maximum power
transfer to it. (b) (10pts) Determin the value of the maximum power that can be transferred to R1,. 3. For the circuit in the ﬁgure, use I51 = 10mA,I52 = 20mA,R1 = 2kQ,R2 = 4kQ,R3 = 12k§2 (a) (10pts) Determine the voltage VAB using source superposition. Make sure that you
identify the contributions of each source (b) (5pts) What load resistance, RL, should be connected between the terminals, A, B to
guarantee a maximum power transfer (0) (5pts) Determine the current I AB if the terminals A, B are shortcircuited 4. (25pts) Determine the Thevenin resistance at terminals A — B , for the circuit shown, as
function of the coefﬁcient (1. Use R 2 20M] ...
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 Fall '08
 ARAVENA

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