Basic Electrical Properties

Basic Electrical Properties


This is the second lesson in the Electrical Theory for Troubleshooters Course. This lesson covers Ohm’s Law, as well as the use of Ohm’s Law to calculate an unknown value. The lesson also defines voltage, current, resistance, and power.

Module Objectives

  • Define voltage, current, and resistance.
  • Describe voltage and current relationships.
  • State Ohm’s Law.
  • Use Ohm’s Law to calculate an unknown value.
  • Define power and how to use power values with Ohm’s Law.


These lessons are excellent for the training of electricians and electronic technicians as well as for the multi-craft training needs of process and manufacturing facilities. The first four lessons in this course cover basic electrical concepts including Ohm’s Law and Kirchhoff’s Law, as well as the use of these laws to determine voltage, current, and resistance in series and parallel circuits.


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