DC Current Flow Through a Parallel Circuit
By Terry Bartelt
Learners observe current flow throughout the series portion and branches of a parallel circuit. This animated activity includes calculations and a short quiz.
The DC Shunt Motor
Learners examine the operation of a DC Shunt motor and its characteristics. A quiz completes the activity.
AC Voltage Conversions
In this animated object, learners examine the formulas used to convert peak, RMS, average, and peak-to-peak AC voltages. A brief quiz completes the activity.
The Generation of Alternating Current
This learning object describes the production of an alternating current in a generator with a single-loop armature. An illustration of how a sine wave is produced is shown through animation.
Comparing Hydraulics and Pneumatics
Learners examine the differences and similarities between hydraulic and pneumatic systems.
Simple Pneumatic Circuits
Learners examine the operation of five pneumatic animated circuits that use directional control valves, pilot lines, check valves, needle valves, and cylinders.
The Transistor Switch
The learner views the operation of a transistor switching from saturation to cutoff. A brief quiz completes the activity.
The Semiconductor Diode
In this interactive object, learners examine the PN sections of a diode and the diode's forward- and reverse-biased operations. A brief quiz completes the activity.
Gear Ratio Concepts
By James Bourassa
In this animated object, learners examine the concept of gear ratios. The number of teeth, diameters, and velocity relationships are discussed and calculated using linear ratio equations. A 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.
The Edison Wire System
Learners read a description of the wiring configuration of a residential Edison Wire System, which consists of a transformer secondary circuit. The circuit supplies two 115-volt sources and one 230-volt source.
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.
Transistor Fundamentals: Voltage-Divider Biased NPN Transistor
By Patrick Hoppe
Students view drawings of the dc analysis of a voltage-divider biased NPN transistor.
Basic Types of Lines Used in Engineering Drawings
By Kelly Curran, Glenn Sokolowski
In this highly interactive object, learners associate basic line types and terms with engineering drawing geometry. A quiz completes the activity.
Calculating Horsepower, RPM, and Torque
By James Bourassa, John Rosz
In this animated and interactive object, learners examine the formula for horsepower and work practice problems.
Converting Between Gray and Binary Codes
Learners follow steps to convert numbers from Gray code to binary code. They then view steps to change binary values to Gray code numbers.
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 Induction Motor Slip
In this animated object, learners examine how the rotation of an induction AC motor's armature slips behind the synchronous rotational speed of the stator's field to create magnetic fields. These fields interact and produce torque. A quiz completes the activity.
This learning object introduces the three approximations of a diode.
Difference Op Amp
Learners examine the fundamental operation of a difference operational amplifier. A brief quiz completes the activity.
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.
The Elementary AC Generator
Learners view animations showing the operation of the internal parts of an AC generator. A short quiz completes the activity.
A Timer-Off Application
Learners examine how a PLC Timer-Off instruction is used in the operation of an automotive paint booth.
Transformer Practice Problems
Students solve practice problems on voltage, current, and impedance matching. Examples precede the problems.
Electrical Opens and Shorts
By Terry Bartelt, David Schwid
In this animated activity, learners examine the difference between opens and shorts in an electrical circuit. A brief quiz completes the object.