2300_HW09_Spring2006

# 2300_HW09_Spring2006 - ECE 2300 CIRCUIT ANALYSIS HOMEWORK#9...

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ECE 2300 – CIRCUIT ANALYSIS HOMEWORK #9 – Spring 2006 Due Date: April 18, 2006 Complete the problems given below. Most of these problems are taken from Electric Circuits, 6 th Edition, by Nilsson and Riedel: 9.11 Assume that the voltage and current are given in the passive sign convention, and that the circuit is in steady-state. 9.13 9.15 9.17

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9.18 The frequency given is intended to be the angular frequency. D.21 For the circuit shown below: a) Find the expression for the steady-state current i(t) , as a function of R . b) Find the expression for the steady-state current i(t) , for R equal to 500[ ], 1[k ], 2[k ], and 4[k ]. (PWA8, No. 1) + - v S1 L 1 =0.25[H] i S1 R C 1 =1[ μ F] + - v S2 i(t) v S1 (t) = 30 cos (1000[rad/s] t ) [V] v S2 (t) = 25 sin (1000[rad/s] t ) [V] i S1 (t) = 5 sin (1000[rad/s] t + 50º ) [mA]
D.22 In the circuit below, find the nonzero frequency at which the impedance between terminals a and b is purely resistive. Find the impedance at this frequency. (PEQWS8, No. 9)

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2300_HW09_Spring2006 - ECE 2300 CIRCUIT ANALYSIS HOMEWORK#9...

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