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Basic concepts of electric circuits

Basic concepts of electric circuits

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The book chapter presents an introduction to electric circuits by considering: electric circuits and schematic diagrams; electric current; electric voltage; resistance and Ohm's law and the reference direction of voltage and current.

Chapter Contents:

  • 1.1 Introduction to electric circuits
  • 1.1.1 Why study electric circuits?
  • 1.1.2 Careers in electrical, electronic, and computer engineering
  • 1.1.3 Milestones of electric circuit theory
  • 1.2 Electric circuits and schematic diagrams
  • 1.2.1 Basic electric circuits
  • 1.2.2 Circuit schematics (diagrams) and symbols
  • 1.3 Electric current
  • 1.3.1 Current
  • 1.3.2 1-ampere current
  • 1.3.3 The direction of electric current
  • 1.4 Electric voltage
  • 1.4.1 Voltage/electromotive force
  • 1.4.2 Potential difference/voltage
  • 1.5 Resistance and Ohm's law
  • 1.5.1 Resistance/resistor
  • 1.5.2 Factors affecting resistance
  • 1.5.3 Conductance
  • 1.5.4 Ohm's law
  • 1.5.5 I–V characteristics of Ohm's law
  • 1.6 Reference direction of voltage and current
  • 1.6.1 Reference direction of current
  • 1.6.2 Reference polarity of voltage
  • 1.6.3 Mutually related reference polarity of current/voltage
  • Summary
  • Practice problems

Inspec keywords: electric current; circuit diagrams; electric resistance; electric potential; circuit theory

Other keywords: electric circuits; electric current; electric voltage; Ohm's law; resistance; schematic diagrams

Subjects: Circuit theory; Electronic circuits

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