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

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

In this learning activity you'll follow the process of converting digital data into a series of analog signals.

In this interactive and animated object, learners apply the Law of Sines to determine forces using a TI-86 calculator.

Learners study the method of using more than one track and quadrature modes to improve the resolution of an optical encoder. A brief quiz completes the activity.

Learners examine the internal components of an optical encoder used in automated manufacturing applications. A brief quiz completes the animated activity.

Learners observe how an optical pyrometer is used to take temperature measurements without making physical contact with the object being measured.

This animated lesson shows how a photoelectric sensor, connected to a ladder circuit, causes the cylinder of a hydraulic circuit to extend and retract.

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