In this animated object, learners examine the mechanical configuration of a three-way switch and how it operates in a circuit. They also view diagrams showing the use of an ohmmeter to determine the electrical connections.

Learners read how an inductor opposes a current change when it begins to energize and when it begins to de-energize. A short quiz completes the activity.

In this learning activity you'll review safety considerations for using hydraulic press brakes.

In this animated activity, learners examine a systematic method for converting a decimal number (base 10) into a hexadecimal number (base 16).

In this learning activity you'll examine how electronic converters convert between analog voltages and proportional digital signals.

Learners work problems to make conversions between RMS, average, peak, and peak-to-peak AC voltages.

Students solve six problems for series impedance using complex numbers. Immediate feedback is given.

Students work six practice problems to determine the total impedance of a parallel circuit.

Students solve five problems to determine the total impedance of a series-parallel circuit. Immediate feedback is given.

Measurement Jeopardy

Digital Literacy

In this learning activity you'll practice converting from one metric unit to another.

Think of a stairway with the biggest metric unit at the top and the smallest at the bottom.

Let's convert the following sentences with verbs in the active voice into sentences with verbs in the passive voice.