ECE 201 - Hw 32 - F11

# ECE 201 - Hw 32 - F11 - find the magnitude of the phasor V...

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Homework 32 ECE201: Linear Circuit Analysis Due in class: Wednesday, November 30, 2011 Question 1 For the waveforms below, write down the expressions of u 1 ( t ), u 2 ( t ), and u 3 ( t ). Question 2 Use KVL to determine the phasor voltage V x in the circuit below.

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Question 3 For the circuits in the following figure, compute the indicated phasor currents assuming R = 2 and L = 4 mH, and C = 1 mF. If ϖ = 500 rad/sec, determine the associated time function. Question 4 Find the phasor currents I R , I C , I L , and I in , and then determine i in ( t ) for the circuit of the following figure in which R = 1 k , L = 0.5 H, C = 1 μ F, and v in ( t ) = 20 cos (1000 t + 60°) V.
Question 5 The circuit below operates at ϖ = 20,000 rad/sec phasor voltage V s = 2 V. Find the Thevenin equivalent circuit (in the phasor domain) at terminals A and B. Use this Thevenin equivalent to

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Unformatted text preview: find the magnitude of the phasor V AB when the 10 mH and 1 k Ω series combination load is connected to A and B. Question 6 For the network shown below, a = 20 Ω , Z L = j10 Ω , Z C = –j10 Ω , R = 10 Ω , and phasor V s = 20 V. Find the phasor current I x . Question 7 The circuit below operates at ϖ = 2,000 rad/sec and g m = 1.5 mS with phasor voltage V s = 100 V. Find the Thevenin and Norton equivalent circuits seen at terminals A and B. Question 8 Compute the frequency response of the circuit shown below, where R = 100 Ω , L = 10 mH, C = 0.1 mF, and V out /I in is the transfer function. Consider ϖ between 0 to 3000 rad/sec. Use MATLAB or other plotting software to generate the magnitude and phase (in degrees) plots. Make sure that the horizontal axis is logarithmic. R C L...
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