By Terry Bartelt
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Learners read about the vector diagram for a parallel RC circuit. This animated lesson presents information on current flow through each branch, total current, and phase angle.
In this learning activity you'll review methods for testing an on/off switch with an ohmmeter and a voltmeter.
In this animated activity, students read about the two general types of variable resistors: potentiometers and rheostats. They then answer six multiple-choice questions.
You'll practice identifying the major components of an engine lathe.
You'll learn to identify nondestructive examination abbreviations and they use in examination symbols.