Direct Current Circuits

This module is designed to cover the fundamentals of series, parallel, and series-parallel circuits. A discussion of positive ground and negative ground is presented, as well as the effects of connecting voltage sources in parallel. The theoretical and practical aspects of basic circuit calculations using Kirchhoff’s voltage and current laws are also presented in this module using a combination of video, animation, and laboratory projects using CircuitLogix simulation software.

Learning Outcomes:

Upon completion of this module the student will be able to:

  • Describe how voltages are distributed in a series circuit
  • Define Kirchhoff’s Voltage Law and Current Law
  • Determine the polarity of emfs and voltage drops
  • Calculate internal resistance
  • Use the voltage divider and current divider rule
  • Describe the effect of connecting voltage sources in parallel
  • Define positive ground and negative ground
  • Determine the total resistance in a series-parallel circuit
  • Calculate voltage drops and power
  • Explain the purpose of loaded voltage dividers
  • Describe the basic principles of DMMs and probes
  • Troubleshoot DC circuits
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