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.
The Welder's Tool Bag
In this learning object, you’ll explore what tools should be a part of every welding tool bag.
A Sample DC/AC I Exam
By Patrick Hoppe
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
By Terry Bartelt
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.
The Hydraulic Color Code
Learners read an explanation of the color code used on schematic diagrams for hydraulic circuits. Circuit examples for each color are shown.
By Terry Bartelt, Stephen Schneider
In this animated object, learners examine the internal structure of an unloading valve. This learning object includes a video clip demonstrating the use of an unloading valve in a metal stamping application.
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.
In this animated object, learners examine how various types of positive and non-positive displacement hydraulic pumps work.
Comparing Hydraulics and Pneumatics
Learners examine the differences and similarities between hydraulic and pneumatic systems.
In this animated object, learners study how the internal parts of an AC synchronous motor interact with magnetic fields to cause rotation. A short quiz completes the activity.
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.
The Variable Reluctance Stepper Motor
Learners view colorful animations showing the operation of a VR stepper motor.
Inductive Proximity Sensors
Learners examine the operation of an inductive proximity sensor in this animated object. A brief quiz completes the activity.
Lathe Project: Turning Using a Digital Readout
By Thaddeus Hetzer
Users read work instructions and view a drawing and calculations for turning on a lathe using a digital readout.
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.