Basic Logic Gates
By Terry Bartelt, Terry Fleischman
The learner will understand the operation of the six fundamental logic gates and the inverter by using truth tables, Boolean Algebra equations, switch analogies, and written statements.
Inductors (Description and Examples)
By Patrick Hoppe
Learners read a description of inductors and view examples of inductors in series and in parallel.
Parallel Circuit Analysis Practice Problems: Circuit #8
In this interactive object, learners solve for total resistance and current, the current through each resistor, the voltage across each resistor, and the power dissipated by each resistor.
Series-Parallel Practice Problems Circuit 4
In this interactive object, learners work 12 problems dealing with dc circuit analysis.
Deriving the Formulas of the Power Wheel
By Ron Wallberg
Use Ohm's law, Watt's law, and the power equation to derive formulas for the DC power wheel.
Parallel DC Circuit Analysis
The approach to dc circuit analysis is presented to the learner. The approach is demonstrated for the student.
Total Resistance of a Series Circuit
In this learning activity you'll review the process of solving for the total resistance in a series DC circuit.
Wheatstone Bridge Application
By Terry Bartelt
In this animated activity, students view how the Wheatstone bridge is used to activate a temperature alarm. A short quiz completes the lesson.
The Three-Way Switching Circuit
In this animated object, learners examine the mechanical configuration of a three-way switch and how it operates in a circuit. They also view diagrams showing the use of an ohmmeter to determine the electrical connections.
DC Circuit Analysis: The Series Circuit
Learners examine a general approach to solving for the current through, the voltage across, and the power dissipated by each resistor in a series DC circuit. A three-resistor series circuit is used as an example.
Voltage Dividers
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.
Series-Parallel Circuit Analysis Practice Problems: Circuit 7
Learners solve 14 problems related to voltage, current and power in a single source, six-resistor circuit. A help screen is provided.
Total Power Calculations in a Series Circuit
In this learning activity you'll review the various ways to calculate the total power consumed in a series circuit.
Kirchhoff's Current Law: Practice Problems
Learners review Kirchhoff's Current Law and work six practice problems. Feedback is given.
RL Time Constant
Learners read an explanation of the RL time constant and examine the formula for calculating the instantaneous current value. The current is graphed as it climbs to maximum or drops to zero. Note* In the formulas in this module, the Greek letter epsilon should be the mathematical constant 'e'.
Electromagnets
Learners examine how an electromagnet is formed. Animated illustrations show current running through a coil wrapped around an iron core.
Maximum Power Transfer
Learners are introduced to the maximum power transfer theorem. Examples show the load as it varies and the results are graphed.
Kirchhoff's Voltage Law (KVL): Practice Problems
By Terry Fleischman, Patrick Hoppe
Learners review Kirchhoff's Voltage Law and work six practice problems. Feedback is given.
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.
Series Circuit Analysis Practice Problems: Circuit #3
In this interactive object, learners solve for the current through each resistor, the voltage across each resistor, and the power dissipated.
Ohmmeter Capacitor Testing
Learners view the steps for testing a capacitor with an analog ohmmeter. A brief quiz completes the object.
A Sample DC/AC I Exam
Students complete a sample exam for DC/AC I. It provides an overview of the material presented in the course.
Ohm's Law: The Relationship of Voltage, Current, and Resistance
In this interactive object, learners vary the value of the resistance to see how it affects current. Example problems are included.
Magnetic Hysteresis
In this animated activity, learners examine how residual magnetism causes magnetic hysteresis.
Voltage Sources in Parallel
The effect of connecting voltage sources in parallel to increase amperage to a load is presented.