Sizing Motor Overloads
By Terry Bartelt, Pat Jensen
Learners use the National Electrical Code to determine the size of a motor overload protection device.
The Electrostatic Charge of a Capacitor
By Terry Bartelt
In this animated activity, learners examine the conversion of electrical energy into an electrostatic charge within the dielectric material of a capacitor.
Phase Relationships Between Line-Neutral and Line-Line Voltages
By Michael Gradinjan, Terry Fleischman
Learners view a demonstration showing that line-neutral voltages and line-line voltages are not in-phase with each other, but have a definite 30-degree relationship.
The Thevenin Theorem
By Patrick Hoppe
This animated object allows students to examine the four steps used to reduce a complex circuit to a simple series circuit.
The Relay
In this animated lesson, students view the operation of an electromechanical relay. A brief quiz concludes the activity.
Multi-Rung Control in a Ladder Circuit
Learners study the operation of a ladder circuit in which coils on one rung control contacts in other rungs.
The Transfer Functions: RC Low-Pass Filter with a Bode Plot
Students read how the transfer function is developed for an RC low-pass filter. A straight line Bode plot is drawn through close approximations.
The Function Generator: Frequency Control
Learners read how to use the knobs and the output terminals of a Wavetek Model 25 function generator to obtain a waveform at a desired frequency.
Flow Control Valves
In this colorful and animated activity, learners study the operation of a needle valve and the operation of the needle valve with a check valve. A brief quiz completes the activity.
The 555 Monostable Multivibrator
Learners examine a 555 integrated circuit, which functions as a one-shot monostable multivibrator, and then test their knowledge. Immediate feedback is provided. Animations are used to show the sequential operations.
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.
Transistor DC Analysis Practice Problems: Circuit #1
Learners analyze a base-biased npn transistor circuit. A "help" screen is available.
Transfer Functions: The RC High Pass Filter
Learners read how the transfer function for a RC high pass filter is developed. The transfer function is used in Excel to graph the Vout. The circuit is also simulated in Electronic WorkBench and the resulting Bode plot is compared to the graph from Excel.
Average Voltages of Pulsating DC Voltages
In this learning activity, learners will learn to calculate the average voltage produced by half-wave and full-wave rectifiers.
Sinking/Sourcing Output Module
Learners examine the sourcing and sinking of conventional current at a PLC output module and the type of field device to which it is connected. This interactive learning object includes six quiz questions.
Pictorial Drawings
By Glenn Sokolowski
Learners examine pictorial drawings used in engineering including sectioned and exploded drawings. A sketching quiz is provided to help the learner create simple pictorial sketches by using orthographic views and an isometric template.
Vector Diagram for a Parallel RC Circuit
Learners read about the vector diagram for a parallel RC circuit. This animated lesson presents information on current flow through each branch, total current, and phase angle.
The Impact of Batch Size Reduction
By Kaye Krueger
In this animated object, learners examine what happens to lead and cycle times when the batch size is reduced.
Ladder Circuit Labeling
Learners examine the labeling scheme used in ladder logic diagrams to identify components, wires, rungs, and rails. This activity includes self-check questions.
Transistor Fundamentals: Voltage-Divider Biased NPN Transistor
Students view drawings of the dc analysis of a voltage-divider biased NPN transistor.
Ground Fault Circuit Interrupters (Screencast)
In this animated activity, learners examine how ground fault circuit interrupters work and why they are an important safety feature.
Pneumatic Directional Control Valves (Screencast)
In this animated object, learners examine the operation of two-way, three-way, and four-way directional control valves used in pneumatic systems.
Series-Parallel Circuit Analysis Practice Problems: Circuit #5
Learners examine a series-parallel circuit and solve 14 problems related to voltage, current, and power. A help screen is provided.
Title Block Tolerances
Learners examine the use of the tolerances displayed in a title block by calculating the minimum and maximum allowable size of a fabricated part. In a brief quiz, students determine whether a part is usable or should be scrapped.
Selecting a Proper Single Phase Transformer
By Gary Lindell, Terry Bartelt
Students follow the steps that are required to select a transformer with the proper ratings. Voltage, frequency, current, and KVA are considered.