Electrical Units, Abbreviations, and Symbols

In this interactive and animated object, learners examine the flow of electron current into and out of hot and neutral sockets during each alternation of an AC waveform. A brief quiz completes the activity.

This learning object describes the production of an alternating current in a generator with a single-loop armature. An illustration of how a sine wave is produced is shown through animation.

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

You'll learn to identify nondestructive examination abbreviations and they use in examination symbols.

In this learning activity, you'll practice converting between common decimal and fraction equivalents in US standard units.

You'll practice converting between units of measure for area in the English Measurement System.