In this animated lesson, learners examine the rectifier circuitry in a DC variable speed drive that supplies the voltages to the field coil and armature.

Learners examine dew point and the two types of humidity values, absolute and relative, along with the types of instruments used to measure them. The activity includes a video clip and a quiz.

Learners answer six questions about transformers.

Students work five practice problems to determine the Thevenin resistance of DC circuits.

This learning activity describes the physical properties that affect the inductance, in henries, of an inductor.

Learners compare animations of analog and digital data signals. A short quiz completes the activity.

Learners examine how a radiation pyrometer converts the frequency of electromagnetic waves to a temperature reading.

Learners answer questions about the heat treatment of metals using a game show format. Immediate feedback is provided.

In this animated and interactive object, learners examine a heat exchanger as an example of an automated closed-loop system.

Learners examine an electric motor control circuit that uses a motor starter module. This activity has audio content.

Learners will understand how binary-coded decimal information is decoded and used to drive a seven-segment display.

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.

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.

This learning activity presents information on how the type of material used for the core material of an inductor affects the inductors value in henries.

Learners answer eight questions about capacitors. Help pages are available.

Students follow step-by-step instructions to learn how to use the SIMULT function on this scientific calculator.

In this animated object, learners examine the operation of various circuits that are internal to the inductive proximity sensor.

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.

Students are introduced to the non-inverting amplifier configuration. The formulas for closed loop gain and bandwidth are shown, and an example is given.

Learners compare the three scales used in pressure measurements: gage, absolute, and vacuum. A brief quiz completes the activity.

Students view an example of how to convert rotational velocity to linear velocity. They then work practice problems.

Learners view video clips showing how coiled wire provides more resistance to AC current flow than uncoiled wire.

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

Students read about the three main classes of amplifiers and view graphical representations of the collector current and circuit.

Students view the keystrokes of a TI-30XIIS calculator that are required to solve for the instantaneous voltage of a charging RC circuit.