AC circuits

ELEC153 Circuit Theory II

M2A1 Textbook Assignment: Problem Set A: Chapter 15.

Instructions

Save this document and place your answers into it so you can submit it to the appropriate homework dropbox. Handwritten solutions should be scanned and saved as a BMP, GIF, or JPG image, or scanned and pasted into this document.

Questions

1. Find the impedance of this AC series circuit as seen from the two open-ended terminals. Show your answer in rectangular and polar form. The AC signal frequency is 1 KHz.

2. Repeat your analysis of Question 1 for a frequency of 200 Hz.

3. Consider the following AC series circuit:

a. Find the total impedance across the voltage source in polar form.

b. Find the source current, in polar form. Note: the source voltage is 20 volts rms at 0 degrees.

c. Find the voltage across each component, in polar form.

d. Find the real power supplied to the circuit, in Watts.

ELEC153 Circuit Theory II

M2A2 Textbook Assignment: Problem Set B: Chapter 15

Instructions

Save this document and place your answers into it so you can submit it to the appropriate homework dropbox. Handwritten solutions should be scanned and saved as a BMP, GIF, or JPG image, or scanned and pasted into this document.

Questions

1. Find the impedance of this AC parallel circuit between the two open-ended terminals, in rectangular and polar forms:

2. Consider the following AC parallel circuit:

a. Find the total impedance across the voltage source in polar form.

b. Find the source current, in polar form. Note: the source voltage is 12 volts rms at 0 degrees.

c. Find the current through each component, in polar form.

d. Find the real power supplied to the circuit, in Watts.

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