Transistor Fundamentals: Emitter-Biased NPN Transistor
By Patrick Hoppe
Students view a dc analysis of an emitter-biased NPN transistor.
Summing Op Amp
By Terry Bartelt
In this animated object, learners examine the operation of a summing operational amplifier through formulas, tables, and animated illustrations. A brief quiz completes the activity.
The Neutral Current of an Edison Wire System
Learners take a close look at the Edison Wire System and observe how the current values through the two lines and the neutral of the system change as the loads vary.
The Magnetron Ignition System
Learners read an explanation of how the Magnetron Ignition System uses a solid state switching component, a step-up transformer, and magnetism to provide a high voltage spark in a one-cylinder combustion engine.
Analog Ohmmeter Operation
Learners follow procedures for measuring resistance using an analog ohmmeter. They examine the use of the Function Switch and the Range Switch and practice reading a non-linear scale. A brief quiz completes the activity.
A Drill for Converting Binary Numbers to Decimal Numbers
By John Rosz
Students test their skill at converting binary numbers to decimal numbers. Immediate feedback is provided.
Apparent Power
Learners read an explanation of the concept of apparent power in a power distribution system involving motors, generators, and transformers. A quiz completes this interactive lesson.
Sine Wave Fundamentals: Practice Problem #1
In this interactive object, learners determine the Vp, Vp-p, Vrms, Vavg, and the frequency of a sine wave displayed on an oscilloscope screen.
Transistor Fundamentals: The MOSFET
Students read an introduction to the Metal Oxide Semiconductor Field Effect Transistor. They also examine its enhancement mode.
Logic Probe Troubleshooting
In this animated object, learners follow a process for troubleshooting digital integrated circuits on a printed circuit board using a logic probe.
The Electrician's Wheel of Laws Quiz
By James Bourassa
Learners test their knowledge of the variations of Watt's Law and Ohm's Law with this quiz.
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.
Testing an On/Off Switch
In this learning activity you'll review methods for testing an on/off switch with an ohmmeter and a voltmeter.
Frequency Dividers
In this learning activity you'll explore the operation of frequency division using several different types of counters.
Boolean Theorems (Multivariable)
Students read the multivariable theorems and view the graphic depictions of the Boolean expressions.
Oscilloscope Coupling Switch
Learners read a description of the function of the coupling switch on an oscilloscope and how its setting affects measurements of DC, AC, and combined voltages. A brief quiz completes the activity.
The Solenoid
In this interactive lesson, students view the operation of a solenoid and read about its application. A brief assessment concludes the activity.
Shorts Affecting Current in a Series Circuit
In this learning activity you'll review how a short affects current flow and voltage in a series circuit.
Voltage and Current Amplitudes in a Parallel LC Circuit
In this interactive object, learners examine how voltages and currents vary in a parallel LC circuit as the applied frequency changes.
Inductors
This learning activity describes the abilities of an inductor coil to oppose alternating current and to pass direct current.
NOR Gates
In this learning activity you'll review the operation of a NOR gate by using a truth table, a Boolean Algebra equation, a switch analogy, and a written statement.
Tri-State Buffer
Students observe the operation of a tri-state buffer used in digital electronics. A brief quiz completes the activity.
Fan-Out: Determining the Load Drive Capability of an IC
Students follow steps to determine the number of inputs that can be driven by a specific IC. A sample problem is given.
An Impedance Matching Application
Learners consider why an impedance matching transformer is needed to connect an antenna to a television.
Series Capacitance: Practice Problems
Students work six practice problems to determine the total capacitance of a series circuit. Immediate feedback is given.