ECE 201 - Hw 36 - F11

ECE 201 - Hw 36 - F11 - voltage source(what do we do if we...

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Homework 36 ECE201: Linear Circuit Analysis Due in class: Friday, December 9 th , 2011 Question 1 Consider the circuit shown below in which R 1 = 100 , R 2 = 25 , C = 1 mF. (a) Find the value of the load impedance Z L that will absorb maximum power at ϖ = 100 rad/sec. (b) Given the conditions of part (a) and V s = 100 V rms , find the average power absorbed by the load. Question 2 The purpose of this problem is to computer Z L for maximum power transfer by following a specific procedure. Consider the circuit of the following figure in which ( 29 ( 29 50 2 cos 150 s i t t = A. 1. Computer the Thevenin equivalent of the circuit at terminals A and B: a. Use nodal analysis to computer V OC . Note that there is a floating dependent
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Unformatted text preview: voltage source (what do we do if we have a floating node?). b. Find the Thevenin equivalent impedance, Z th ( j 150), seen to the left of terminals A and B. c. Show the phasor form of the Thevenin equivalent circuit. Then show the circuit form of the Thevenin equivalent, i.e. a voltage source in series with either a series RC or a series RL as appropriate. 2. Compute the load impedance, Z L ( j 150), necessary for maximum power transfer. Show this load as either a series RL circuit or a series RC circuit. Should it be the opposite of the case in 1c? Why? 3. Compute the average power consumed by the load at maximum power transfer....
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