Students read an explanation of the use of weight-volume relationships and practice calculating density.

Students view photos of an electric pencil sharpener as it is disassembled. The learning object is intended to prepare students to be able to identify the components and create an assembly process in a future activity.

Students read a description of the function generator and view a graphic that labels its parts.

Students read an explanation of power factor correction. Examples of both inductive and capacitive loads are given.

Students read an introduction to the Metal Oxide Semiconductor Field Effect Transistor. They also examine its enhancement mode.

In this animated lesson, learners examine sine waves and alternating current. A brief quiz completes the object.

In this animated object, learners examine the operation of up-counters and down-counters for a programmable controller. A brief quiz completes the activity.

Learners examine the process for determining the total inductance of a parallel circuit. They then complete practice problems.

The use of the reciprocal key on the TI-86 scientific calculator is demonstrated in the solution of parallel resistors.

This animated lesson shows how pushing a start or stop button on a ladder circuit causes the cylinder of a hydraulic circuit to extend and retract.

Students examine AutoCAD toolbars and toolbar commands. They then test their knowledge in a matching exercise.

In this interactive and animated object, learners examine how dc voltages develop across capacitors that are connected in series and in parallel.

In this animated activity, learners examine the circuitry in a DC variable speed drive that causes the motor to accelerate or decelerate at slow rates. This learning object has audio content.

In this interactive object, students work 11 practice problems and solve for total resistance and current, the current through each resistor, the voltage across each resistor, and the power dissipated.

Students work six practice problems to determine the total capacitance of a series circuit. Immediate feedback is given.

In this interactive object, learners examine how work is performed in foot-pounds by a hydraulic system that uses a pump and cylinder. A brief quiz completes the activity.

Learners examine the impedance matching capability of a transformer and how to select the proper turns ratio to achieve this function. A brief quiz completes the activity.

In this interactive object, students calculate capacitive reactance, impedance, current, and power in parallel RC circuits.

In this animated activity, learners examine how to change the gain of an optical sensor to overcome environmental conditions and distance.

Learners examine animations of the most common transmission signals used in automated systems, such as 4 mA to 20 mA, 3 psi to 15 psi, and 0 to 10 volts. A brief quiz completes the activity.

Learners study the effect of reflected and transmitted energy on the measurement of emitted energy by a non-blackbody. A short quiz completes the activity.

Learners examine a series-parallel circuit and solve 14 problems related to voltage, current, and power. A help screen is provided.

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

This primer introduces the student to the correct method of using the arctangent function on a TI-86 calculator.

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.