Course Standards

2026-2027 Academic Year

DRAFT CMS until August 14, 2026.

IK90 Electronics III

Course Type: LCO

Standard/Objective NumberStandard/ObjectiveCourse WeightRBT Designation
1.00Basic Electrical Safety Precautions10%-
1.10Describe safe practices and standards for working with electrical and electronic devices.--
1.20Describe electrical shock, its causes and effects--
1.30Define basic fire safety--
1.40Describe other basic emergency precautions, procedures and responses--
2.00Principles of Alternating Current (AC)15%-
2.10Define "alternating current" (AC) and compare it to "direct current" (DC)--
2.20Define wave, waveform, sinewave and frequency--
2.30Identify the following terms: Cycle, Frequency units of measure: Hertz (Hz), Kilohertz (kHz), Megahertz (MHz), Phase and phase angle.--
2.40Describe AC waveform characteristics.--
2.50Describe how period and frequency are reciprocal--
2.60Describe the unique harmonic characteristic of the sine waveform and why that is often useful--
3.00Basic AC Mathematics and Formulas10%-
3.10Quote voltage, current, resistance and power formulas (Ohm's and Watt's laws) solving for circuit values--
3.20List other common basic electronics formulas relative to AC electronics.--
3.30Describe basic functions of a scientific calculator--
3.40Define standard prefixes used in electronics.--
3.50Describe how to make standard metric conversions from one prefix to another--
4.00Electronic Components and Terms5%-
4.10Identify common symbols used in AC schematic diagrams--
4.20Explain what a capacitor is and types--
4.30Explain what an inductor is and types--
4.40Explain what a transformer is and what it does--
4.50Identify and explain the following terms: Reluctance (cursive R), Capacitance, Inductance (L), Reactance (X), Impedance (Z), Permeability.--
5.00Principles of Capacitance5%-
5.10Describe Farad (F) as the unit of measure of capacitance including its prefixes used--
5.20Identify formulas for calculating series and parallel capacitances.--
5.30Explain how a capacitor stores energy as an electrical charge in its dielectric between its plates--
5.40Explain how a capacitor opposes changes in voltage--
5.50Describe capacitive reactance (X) and compare it to resistance--
5.60Describe the phase relationship between AC voltage across a capacitor and current flowing through the capacitor--
5.70Describe a capacitor's voltage and current limits--
5.80Discuss how high temperature affects life expectancy in an electrolytic capacitor--
5.90Explain the dangers a high-voltage or high-capacitance capacitor may pose in de-energized equipment--
6.00Principles of Inductance5%-
6.10Describe Henry (H) as the unit of measure of inductance including its prefixes used--
6.20Differentiate between self-inductance and mutual inductance--
6.30Identify formulas for calculating series and parallel inductances--
6.40Explain how an inductor stores energy in the magnetic field in and around it--
6.50Describe how an inductor opposes changes in current--
6.60Describe inductive reactance (Xl) comparing it to capacitive reactance and resistance--
6.70Describe the phase relationship between AC voltage across an inductor and current flowing through it--
6.80Discuss an inductor's voltage and current limits--
6.90Discuss "eddy currents" and why low-frequency transformer cores are laminated--
7.00Principles of Transformers5%-
7.10Explain how a typical transformer is connected to the voltage source and load--
7.20Explain how a transformer gets power from primary to secondary with no electrical connection--
7.30List common frequency ranges for air-core, ferrite-core and iron-core transformers--
7.40Describe the relationship between input power and output power in an ideal transformer--
7.50Describe "step up" and "step down" ratios--
7.60Describe a "tap" in a winding--
7.70Describe an autotransformer, giving purpose, advantages and disadvantages--
7.80Describe these types of transformers and their principal use: variable, isolation, current.--
7.90Explain how to deal with unusual transformer leads--
8.00RC, RL and RCL Principles25%-
8.10Describe "time constant" and give formulas in RL and RC circuits--
8.20Describe "time to full charge" in an RC circuit and give the formula--
8.30Describe "time to full current" in an RL circuit and give the formula--
8.40Explain phase relationships of voltage and current for series and parallel RL, RC, and RCL circuits--
8.50Explain how impedance relates to resistance and reactance--
8.60Define "filter" and give the general frequency response shapes of the following: low pass, high pass, band pass, band reject.--
8.70Define "resonance" and give the condition XL and XC at the resonant frequency--
8.80Explain the following and give relevant formulas: Q (quality factor), damping, bandwidth, selectivity.--
8.90Describe the component configurations in Pi, L and T type high- and low-pass filters--
9.00Copper Cabling10%-
9.10Describe the construction and uses of the following types of copper cabling: untwisted; non-paired, twisted; paired, coaxial; shielded.--
9.20Explain the American Wire Gauge (AWG) sizes of conductors--
9.30Identify NEC wiring color code--
9.40Explain signal radiation and stray signal pickup by cables--
9.50Explain the purposes of grounding and common conventions used in electrical electronics work--
9.60Define "cable impedance"--
10.00Test Equipment and Measurements10%-
10.10Explain how to use the DC volts, AC Volts, current and resistance scales of a standard multimeter--
10.20Explain the care of equipment and test leads--
10.30Explain the types and purposes of signal generators--
10.40Describe how various analog oscilloscope front panel controls are used--
10.50Explain what LRC substitution equipment is and its purposes--
10.60Explain the reasons for using rheostats, series incandescent lamps, isolation transformers and variacs when servicing equipment--