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Course Multimeter Selection and Inspection

Multimeter Selection and Inspection

 In iKnow
This is the third lesson in the iKNOW&reg Multimeters Library. This lesson trains the learner in the inspection of a multimeter, the steps that should be taken before using a multimeter, and how to perform a continuity check. <br /><br />
Course Using Multimeters

Using Multimeters

 In iKnow
This is the fourth lesson in the iKNOW&reg Multimeters Library. This lesson trains the learner to use a multimeter to measure resistance, AC voltage, DC voltage, current, frequency, and capacitance. <br /><br />
Course Introduction to Transformers

Introduction to Transformers

 In iKnow
The eleventh lesson in the iKNOW&reg Electrical Theory for Troubleshooters Library, this lesson presents the basic parts of a transformer and their function. The lesson explains turns ratio and its relationship to a transformer??s input and output voltages. The participant is also cautioned regarding the dangers of improper transformer connections. <br /><br />
Course Digital Multimeters

Digital Multimeters

 In iKnow
This is the first lesson in the iKNOW&reg Multimeters Library. The lesson presents the types of multimeters. The lesson describes the display area, function switch, and leads and jacks on a digital multimeter. <br /><br />
Course Wye and Delta Connections

Wye and Delta Connections

 In iKnow
The tenth lesson in the iKNOW Electrical Theory for Troubleshooters Library, this lesson discusses Wye and Delta configurations and explains the relationship between phase and line voltages in various connections, and demonstrates the application of the formula that shows this relationship. <br /><br />
Course Inductance

Inductance

 In iKnow
This is the seventh lesson in the iKNOW Electrical Theory for Troubleshooters Library. This lesson builds on the information presented in the lesson, Electromagnetism. Types of induction, phase, and the effect of induction in AC circuits are covered. <br /><br />
Course Three-Phase Circuits

Three-Phase Circuits

 In iKnow
This is the ninth lesson in the iKNOW&reg Electrical Theory for Troubleshooters Library. This lesson defines 3-phase AC, describes the components and operating principle of 3-phase generators, and using the formula for frequency, shows how rotor speed and the number of poles is related to frequency. <br /><br />
Course Parallel Circuits

Parallel Circuits

 In iKnow
This is the fourth lesson in the iKNOW Electrical Theory for Troubleshooters Library. This lesson describes the behavior of voltage, current, and resistance in a parallel circuit. The learner is also instructed in the identification of the series and parallel portions of a series-parallel circuit. <br /><br />
Course Electromagnetism

Electromagnetism

 In iKnow
This sixth lesson in the iKNOW Electrical Theory for Troubleshooters Library uses animations and demonstrations to explain the principles of magnetism, including flux density and electromagnetic induction. The lesson also shows how to plot a sine wave using a graph. <br /><br />

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