Proportional Control Amplifier
By Terry Bartelt
Learners examine the operation of a proportional control amplifier and the two ways that it is programmed using proportional gain or proportional band. A brief quiz completes the activity.
The DC Motor
Learners examine the wiring of the primary components of the three types of DC motors, series, shunt, and compound. The operational characteristics of each type of motor are described. A quiz completes the activity.
Sine Wave Fundamentals
By Patrick Hoppe
Learners examine the characteristics of a sine wave and the various ways to describe it including Vp, Vp-p, Vrms, Vavg, and frequency.
Electrical Generator Basics
In this animated activity, learners examine how a voltage is induced into a conductor when the conductor cuts across magnetic flux lines. They also view the four factors that determine how much voltage is generated. A brief quiz completes the learning object.
An Introduction to the Digital Multimeter
In this learning activity you'll explore the functions and proper operation of a digital multimeter.
Basic DC Electrical Motor Construction
Learners examine the internal parts of a DC electrical motor and then text their knowledge in a drag-and-drop exercise.
Learners read about the concepts of true power, reactive power, and apparent power, and are introduced to the power factor formula. A short quiz completes the activity.
Op Amp Fundamentals: The Non-Inverting Amplifier
Students are introduced to the non-inverting amplifier configuration. The formulas for closed loop gain and bandwidth are shown, and an example is given.
Excel: Entering a Formula
In this animated learning object, users view the process of entering a formula in an Excel spreadsheet. Several different methods and associated examples are given.
The PLC Examine-Off Instruction
In this animated object, learners examine the operation and programming requirements of a PLC Examine-Off instruction. A brief quiz completes the activity.
Transistor Fundamentals: JFET Amplifiers
Students read an explanation of the common-source and source-follower amplifiers. Gain formulas are developed and an example is given.
This primer introduces the student to the half-wave rectifier. Both the 1st and 2nd approximations are examined.
Kirchhoff's Voltage Law
Students read a definition of Kirchhoff's Voltage Law and view examples of its use.
In this animated activity, learners examine the conductivity of a solution and how its properties affect measurements to determine concentration levels. A brief quiz completes the learning object.
In this animated activity, learners see that changing the resistance value of the load in the secondary of a transformer causes current to vary in the primary.
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.
Total Impedance of a Series Circuit Using Complex Numbers
Students view several examples of how to determine the total impedance of a series circuit. The "j" term is used in all of the calculations.
Statics: Force Systems
By Steve Whitmoyer
Learners read an introduction to the four basic types of force systems for a statically determinate condition.
The Bridge Rectifier
Learners see how a bridge rectifier converts an AC voltage into a pulsating DC voltage. A brief quiz completes the activity.
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.
Hydrocarbon Gas Sensor
Learners study how a hydrocarbon gas sensor operates and why it is used. A short quiz completes the activity.
The LVDT: A Linear Voltage Differential Transformer in Action
In this animated object, learners study the operation of a linear voltage differential transformer. A brief quiz completes the activity.
The Counter-Reset Function
Learners examine the counter-reset function of a programmable controller and how it is used.
Voltages Across Series and Parallel Capacitive Circuits (Screencast)
In this interactive and animated object, learners examine how dc voltages develop across capacitors that are connected in series and in parallel.
Ultrasonic Sensors (Screencast)
In this animated activity, learners examine the operation of an ultrasonic sensor and the procedure to perform zero and span adjustments. A brief quiz completes the object.