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

Students view a demonstration of Kirchhoff's Current Law (KCL) using complex numbers with respect to ac.

Learners view the steps for testing a capacitor with an analog ohmmeter. A brief quiz completes the object.

In this animated object, learners examine how to use a programmable logic controller as an alternative to hardwiring a ladder logic circuit.

In this animated object, learners examine the signals produced by sourcing and sinking two-wire sensors. A brief quiz completes the activity.

Learners study the descriptions of the three words in a PLC timer: EN, DN, and TT. They then test their knowledge in a brief quiz.

The operation and characteristics of an absolute optical encoder used in automation applications are presented.

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

Students complete a sample exam for DC/AC I. It provides an overview of the material presented in the course.

Learners view a horizontal curve and mouse over the diagram to read descriptions of its components and related equations.

Learners examine the correct method for calculating complex reciprocals. The solution for total impedance of a parallel circuit in rectangular form is shown.

In this animated object, learners examine how aeration develops in a hydraulic pump. A brief quiz completes the activity.

In this interactive object, learners vary the value of the resistance to see how it affects current. Example problems are included.

In this animated activity, learners examine how residual magnetism causes magnetic hysteresis.

In this animated object, learners examine how various types of positive and non-positive displacement hydraulic pumps work.

Learners examine how fluid enters the inlet of a hydraulic pump because of atmospheric pressure and how pressure is created at the pump’s outlet. This object includes audio.

In this animated object, learners study the problems that develop if the scan time of a PLC is too slow.

Students read the terms associated with the Bipolar Junction Transistor (BJT) . They also view formulas for dc current and voltage.

The effect of connecting voltage sources in parallel to increase amperage to a load is presented.

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.

By playing a game of tic-tac-toe, a student can review what happens to currents and voltages throughout a parallel LC circuit when the applied frequency is increased above resonance.

In this animated and interactive object, learners calculate the area and centroid of a triangle.

Learners examine the connections of a DC motor and how the terminals are labeled. A matching exercise completes the learning object.

Electronic WorkBench has a virtual instrument called "The Bode Plotter." Students view the proper set-up and use of this device.

This interactive learning object is designed to help learners memorize the color code used on some hydraulic schematic diagrams. Learners quiz themselves using electronic flashcards.