Interpreting the Resistor Color Code
By Terry Bartelt
Students examine how to interpret resistor color code bands to determine resistance values and tolerance ranges. This interactive learning object has audio content and includes exercises.
Total Resistance of a Series Circuit
By Patrick Hoppe
In this learning activity you'll review the process of solving for the total resistance in a series DC circuit.
In this learning activity you'll determine the voltages that can be topped off of a multi-resistor voltage divider that has one main power source.
Total Resistance in a DC Parallel Circuit
In this learning activity you'll determine the total resistance in a DC parallel circuit.
Inductive Reactance Demonstration 1
Learners view video clips showing how coiled wire provides more resistance to AC current flow than uncoiled wire.
Students follow step-by-step directions on how to make mathematical calculations for a Wheatstone bridge.
Methods of Producing Electricity
In this learning activity you'll review the six different ways in which electricity is produced: chemical, friction, heat, light, magnetism, and pressure.
Abbreviations Representing Electrical Quantities
In this learning activity you'll identify abbreviations that represent quantities associated with electrical circuits.
How Current Requires Voltage
This learning activity uses a water pressure analogy to present the concept that voltage pressure is required to cause current flow.
Electrical Switches & Pushbuttons
In this learning activity you'll review the operation and schematic symbols of various types of switches and push buttons used for electronic circuits.
Capacitors Series - Parallel: Practice Problems
Students complete 10 practice problems.
In this learning activity you'll explore how a fuse de-energizes a parallel circuit when too many lamps are connected to a power outlet.
Series-Parallel Circuit Analysis: Practice Problems Circuit 1
In this interactive object, learners analyze a series-parallel DC circuit problem in a series of steps. Immediate feedback is provided.
The Magnetic Circuit
Learners compare electromagnetic quantities with the voltage, current, and resistance quantities of an electrical circuit. A brief quiz completes the object.
Voltage Sources in Series
In this learning activity you'll explore the effect of connecting voltage sources in series to increase voltage applied to a load.
Electrical Opens and Shorts
By Terry Bartelt, David Schwid
In this animated activity, learners examine the difference between opens and shorts in an electrical circuit. A brief quiz completes the object.
Schematic Diagram Symbols
In this learning activity you'll review various types of common components used in electronics and view their schematic diagram symbols.
The Broadband Telco Services Subscriber Loop
Walk through the subscriber loop and learn how the signal travels from the central office to the subscriber.
Kirchhoff's Current Law: Practice Problems
Learners review Kirchhoff's Current Law and work six practice problems. Feedback is given.
Elements of a Closed-Loop System
By Terry Bartelt, Terry Fleischman
Learners study an animated block diagram that describes the function of each element in a closed-loop system used in industrial automation.
The Three-Phase AC Generator
By Terry Fleischman
In this 3D animated object, learners examine the way in which a three-phase generator produces three sine waves with three armature coils. A quiz completes the activity.
Equivalent Gates/Ladder Logic Circuits
Learners will identify ladder logic diagrams and the logic functions they perform.