Voltage Measurements of a Half-Wave Rectifier
By Terry Bartelt
In this animated lesson, students view how an oscilloscope and a DC voltmeter measure the voltage of a half-wave rectifier.
This learning activity describes the physical properties that affect the inductance, in henries, of an inductor.
The Generation of Alternating Current
This learning object describes the production of an alternating current in a generator with a single-loop armature. An illustration of how a sine wave is produced is shown through animation.
By Patrick Hoppe
Learners read a description of inductors and view examples of inductors in series and in parallel.
Maximum Power Transfer
Learners are introduced to the maximum power transfer theorem. Examples show the load as it varies and the results are graphed.
The Transistor Switch
The learner views the operation of a transistor switching from saturation to cutoff. A brief quiz completes the activity.
The Semiconductor Diode
In this interactive object, learners examine the PN sections of a diode and the diode's forward- and reverse-biased operations. A brief quiz completes the activity.
Rotating Vector Representation of the Sine Function
The learner will be able to represent steady-state AC sinusoidal signals using phase vectors, which will lead to a simplified technique of analyzing AC circuits in a very similar way that we analyze DC circuits.
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.
Clock Pulse Triggering of Flip-Flops
This learning object shows the symbols used to represent the type of pulse required at the clock input to activate flip-flops.
Pulse Train Fundamentals: Practice Problem #1
In this interactive object, learners determine the pulse width, period, duty cycle, and frequency of a waveform.
The Zener Diode
In this animated object, learners examine the operation of a zener diode in the forward and reverse bias conditions. A quiz completes the activity.
Series-Opposing Zener Diodes
In this animated and interactive object, learners examine the voltages that develop across two series zener diodes, which are connected in opposite directions, when DC and AC voltages are applied across them. A brief quiz completes the activity.
Students view a graphical explanation of how the motor condition (unloaded, 50 percent loaded, fully loaded) affects the phase between voltage and current, the current draw from the AC supply, the amount of power consumed, and the power factor.
Electronic Workbench Basics: Opening a File for Simulation
Students read an introduction to the electronic workbench and view a demonstration of how to open a file for circuit simulation.
Series RL Circuit Vector and Circuit Analyzer
By James Bourassa, John Rosz
Learners alter circuit variables and view how these changes affect circuit voltage, current, reactance, impedance, and phase angle.
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.
Noninverting Op Amp
In this animated object, learners examine the fundamental operation of a noninverting operational amplifier. A brief quiz completes the activity.
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.
Kirchhoff's Current Law - Parallel Circuits
In this learning activity you'll explore Kirchhoff's Current Law and view examples of its application.
Analog Voltmeter Operation
Students follow the procedure to measure voltage with an analog voltmeter. They examine the use of the Function Switch and the Range Switch. A brief quiz completes the activity.
Learners are introduced to primary and secondary batteries. Examples are given.
Logic State Indicators
Instructions on how to interpret state indicator symbols for input and output terminals of digital devices is presented.
Operation of Full-Wave Bridge Rectifier
By Matthew Treu
In this learning activity you'll explore the operation of a full-wave bridge rectifier circuit.
The Basic Operation of a Diode
In this interactive and animated object, learners examine the operation of a semiconductor diode when it is forward and reverse biased. A brief quiz completes the activity.