BCIT is planning for a substantial return to on-campus activity for the fall 2021 term as informed by BC Public Health Officer guidelines. Refer to each course listing for details.
This course is an introduction to the behavior of electrical circuits and networks when driven by single and multiple alternating current (AC) sources. Topics include the sine wave (average and effective values); power and power factor; resistance, capacitance and inductance as elements in AC circuits; phasor diagrams; analysis of AC circuits with complex algebra; resonance and resonant circuits; high pass and low pass filters; the application of circuit laws and theorems to AC circuits; and coupled circuits. The circuit theory is verified using multimeters, wattmeters, function generators, dual trace oscilloscopes and circuit simulation software.
No class on Thursday, September 30th (National Day for Truth and Reconciliation), on Monday, October 11th (Thanksgiving Day), or on Thursday, November 11th (Remembrance Day). Note: BCIT reserves the right to cancel courses. In the event of a part-time studies course cancellation, you will be notified at least two business days prior to the course start. Please ensure that your contact information is current.
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Upon successful completion of this course, the student will be able to:
Apply knowledge of trigonometry and complex algebra to the analysis of AC voltages and currents. [1,2]
Analyze the response of AC voltage applied to single pure electrical circuit parameters. [1,3]
Analyze the response of series and parallel RC and RL circuits to applied AC signals. [1,3]
Analyze series, parallel, and series-parallel RLC circuits when an AC signal at one frequency is applied. [1,2]
Analyze the response of series RLC circuits at and around the resonant frequency. [1,3]
Analyze the ideal RLC parallel circuit in preparation for dealing with practical inductors. [1,2]
Analyze the response of practical parallel RLC circuits of and around the resonant frequency. [1,3]
Determine circuit values and circuit parameters in a wide range of applications using systematic techniques. [1,2]
Measure the responses of a variety of AC circuits to applied signals. [1,2]
Describe the basics of three phase voltage and current. 
Effective as of Fall 2021
ELEX 2105 is offered as a part of the following programs:
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