Boolean Theorems (Single Variable)
By Patrick Hoppe
Students analyze the eight single variable Boolean theorems and their expressions.
Op Amps 2: The Non-Inverting Amplifier
By Todd Van De Hey
The learner will describe the non-inverting op-amp configuration and calculate the circuit gain.
A Timer-Off Application
By Terry Bartelt
Learners examine how a PLC Timer-Off instruction is used in the operation of an automotive paint booth.
Learners study the method of cascading two or more PLC timers to extend their time capacity.
Ladder Logic Schematic Symbol Flashcards
By John Rosz, Terry Fleischman
This interactive object is designed to help learners memorize the schematic symbols used in ladder logic diagrams. Learners quiz themselves using electronic flashcards.
AC Voltage Conversion Problems
By John Rosz, Terry Bartelt
Learners work problems to make conversions between RMS, average, peak, and peak-to-peak AC voltages.
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.
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.
The Elementary AC Generator
Learners view animations showing the operation of the internal parts of an AC generator. A short quiz completes the activity.
The Zener Diode: Practice Problems
Students complete 10 practice problems. These deal with the determination of series current, zener current, and load current, and if the zener diode is operating in the breakdown region.
In this animated object, learners examine the operation of a demultiplexer along with the data output and select lines. A brief quiz completes the activity.
The Current Divider Rule (CDR) with Complex Numbers
Students view a demonstration of the Current Divider Rule with the use of complex numbers. Examples are given.
Opens Affecting Current in a Series Circuit
In this learning activity you'll review how an open in a series circuit affects current.
Waveforms of a Triac Circuit
Learners observe the waveforms in a circuit in which a triac controls the brightness of a lamp’s light. A brief quiz completes the activity.
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.
Calculating Blank Size for Rolled Sheet Metal
By Dave Hoffman
In this interactive object, students read how to calculate the blank size for cylinders in a three-roll pinch roller. A calculator is required for the brief quiz that completes the activity.
Three-Phase Delta Transformer Calculations
By James Bourassa
Using a memory shortcut for calculations, the learner determines line and phase values of current in a three-phase AC configuration. Practice problems complete the activity.
Active Region Operation of a Transistor
Learners view the operation of an NPN transistor in the active region.
The Welder's Tool Bag
In this learning object, you’ll explore what tools should be a part of every welding tool bag.
Abbreviations Representing Electrical Quantities
In this learning activity you'll identify abbreviations that represent quantities associated with electrical circuits.
Students view the steps for determining the total capacitance for a series circuit. They then work practice problems.
This learning object introduces the three approximations of a diode.
Learners examine how air-to-open valves and air-to-close valves are used in different situations. A brief quiz completes the activity.
Hydraulic Mechanical Force
This animated lesson shows how to calculate the amount of force generated by hydraulic cylinders.
Determining Hydraulic Cylinder Size
Students read how to calculate the size of a hydraulic cylinder that is required for a particular application. Mathematical formulas are provided.