Twisted Pair Cable Noise Immunity
By Terry Bartelt
In this learning activity you'll explore how to reduce electromagnetic interference (EMI) and crosstalk between adjacent wires.
Identifying Lever Classes
By James Bourassa
In this interactive object, learners read an introduction to Class 1, Class 2, and Class 3 levers and then take a quiz.
What Is Torque?
Learners read a description of torque and study the factors that cause its magnitude to change. A brief quiz completes the activity.
Total Resistance of a Series Circuit
By Patrick Hoppe
In this learning activity you'll review the process of solving for the total resistance in a series DC circuit.
Protein Synthesis (Video)
By Becky Polk-Pohlman
In this video, you'll review how every protein molecule of an organism is synthesized.
The Spring-and-Diaphragm Actuator
Learners study an animation of a spring-and diaphragm actuator controlling the opening of a flow valve.
Learners observe how to cascade PLC counters to extend the maximum count of one counter.
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.
Building Medical Terms for the Digestive System
By Patricia Cline
In this interactive object, learners read the definitions of prefixes and suffixes that relate to the digestive system. In a drag and drop exercise, the learners combine word components to form medical terms.
PLC Shift Registers
By Terry Bartelt, Tom Yapp
In this animated activity, learners study how a PLC performs a shift operation. The learning object covers data movement, data entry, PLC wiring, PLC shift register introductions, and programming for a paint can operation.
Sine Bar Quiz
By Barbara Anderegg
In this learning activity you'll calculate sine bar problems.
This learning object introduces the three approximations of a diode.
Transistor DC Analysis Practice Problems: Circuit #1
Learners analyze a base-biased npn transistor circuit. A "help" screen is available.
Voltage and Current Amplitudes in a Series RLC Circuit
Learners examine how voltages and currents vary in a series RLC circuit as the applied frequency changes.
Fundamentals of a DC Motor
Learners study the interaction between the conductors of the stator and the armature inside a DC motor, which causes the shaft to rotate. A short 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.
The schematic symbols of logic gates used in digital circuits are shown.
Urine Colony Counts
By Kristine Snow
Learners watch a brief video clip. They then follow step-by-step instructions on how to do a urine colony count and examine the criteria for determining if a colony count represents an infection. A brief quiz completes the object.
By Carol Eschmann
Learners test their knowledge of the high risk newborn in this interactive game.
Learners examine the Karnaugh map for a three-variable system. Several examples are given.
Hydraulic Schematic Symbol Flashcards
By John Rosz
This interactive object is designed to help learners memorize schematic symbols used in hydraulic diagrams. Learners quiz themselves using electronic flashcards.
In this animated activity, learners study how the magnetic field of an armature can distort the DC motor's main magnetic field. A brief quiz completes the object.
Learners study the method of cascading two or more PLC timers to extend their time capacity.
Psychotropic Medications and Neurotransmitters
By Lucie Cutler
In this animated object, learners examine how psychotropic medications act on neurotransmitter systems to achieve their desired effect.
ABG Interpretation: Partially and Fully Compensated Conditions
By Marilyn Misurek, MSN, ANP
In this interactive object, learners review case studies and identify complex arterial blood gases.