The Magnetic Circuit

By Terry Bartelt

Learners compare electromagnetic quantities with the voltage, current, and resistance quantities of an electrical circuit. A brief quiz completes the object.

Charging Time Constants of an RC Circuit (Screencast)

In this animated object, students view an explanation of how current, voltage, and the charge on a capacitor of a series RC circuit change during five time constants. A short quiz completes the activity.

Discharging Time Constants of an RC Circuit (Screencast)

In this animated object, learners examine how current, voltage and the discharging capacitor of a series RC changes during 5 time constants. A brief quiz completes the activity.

The Horizontal Portion of the Sine Wave

In this animated object, learners examine cycles, frequency, Hertz, wavelengths, and periods. A brief quiz completes the activity.

Mechanical Advantage (Screencast)

By James Bourassa, John Rosz

Learners apply lever ratios to calculate the mechanical advantage in basic mechanisms.

Line Symbols (Screencast)

Learners examine the different types of lines used on a P&ID diagram and the types of connections they represent. They test their knowledge in a matching exercise.

Interpreting Engineering Drawings: Title and Revision Blocks (Screencast)

By Glenn Sokolowski

Learners examine the information on a title block and answer questions about that information in an interactive quiz.

GD&T - The Feature Control Frame (Screencast)

In this screencast, Geometric Dimensioning & Tolerancing: The Feature Control Frame, learners examine geometric characteristic symbols, tolerances, datum feature symbols, and other control frame information.

Magnetics AC Power Generation

By Tim Tewalt, Patrick Hoppe

Learners examine an animation that shows how an AC voltage is produced as an armature rotates within a magnetic field. Ten review questions complete the learning object.

Motor Action (Screencast)

In this screencast, learners examine the interaction between a conductor that represents a motor armature and a magnetic field that represents a motorâ€™s main field. This interaction causes the shaft to turn.

Thread Specifications

In this interactive object, learners examine standard and metric thread specifications used in engineering drawings. In a brief quiz, they identify various internal and external thread representations.

Capacitor Values (Screencast)

In this screencast, learners examine the physical facets that determine the value of a capacitor.

The Hydraulic Color Code (Screencast)

In this screencast, learners read an explanation of the color code used on schematic diagrams for hydraulic circuits. Circuit examples for each color are shown.

Oscilloscope Frequency Measurements (Screencast)

Learners read a description of how an oscilloscope is used to measure the frequency of a sine wave.

Oscilloscope Phase Shift Measurements (Screencast)

In this animated lesson, learners follow the steps required to read the phase shift difference in degrees between two AC waveforms.

Parallel Circuit Analysis Practice Problems: Circuit #6

By Patrick Hoppe

In this interactive object, learners solve for total resistance and current, the current through each resistor, the voltage across each resistor, and the power dissipated by each resistor.

Parallel Circuit Analysis Practice Problems: Circuit #7

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.

Parallel Circuit Analysis Practice Problems: Circuit #5

Parallel Circuit Analysis Practice Problems: Circuit #8

Parallel Circuit Analysis Practice Problems: Circuit #9

Series-Parallel Circuit Analysis Practice Problems: Circuit 3

In this interactive object, learners solve a series-parallel DC circuit analysis problem. Immediate step-by-step feedback is given.

Parallel Circuit Analysis Practice Problems: Circuit #10

Series-Parallel Circuit Analysis Practice Problems: Circuit 2

Gear Ratio Concepts (Screencast)

By James Bourassa

In this screencast, learners examine the concept of gear ratios. The number of teeth, diameters, and velocity relationships are discussed and calculated using linear ratio equations.