Objectives:

• Basic Concepts
  • Explain what atoms are, and how they are constructed.
  • Explain what voltage is, and how it can be produced.
  • Explain what current is, and state the basic difference between direct current and alternating current.
  • Explain what resistance is, and state the basic difference between a conductor and an insulator.
  • Explain how voltage, current, and resistance can be measured.
  • Explain what power and electrical energy are and how they can be measured.
  • Explain how Ohm's Law relates to current, voltage, and resistance.
  • Explain how to use Ohm's Law to calculate current, voltage, or resistance when the other two values are known.
• Circuit Types
  • Describe the basic operating principles of a series circuit.
  • Explain how to calculate values for current, voltage, and resistance in a series circuit.
  • Describe the basic operating principles of a parallel circuit.
  • Explain how to calculate values for current, voltage, and resistance in a parallel circuit.
  • Describe the basic operating principles of a series-parallel circuit.
  • Explain how to calculate values for current, voltage, and resistance in a series-parallel circuit.
• Circuit Characteristics
  • Explain what induction is and how voltage can be induced in a conductor.
  • Describe the basic operation of a transformer.
  • Explain what inductance is and how it affects electrical circuits.
  • Explain how the inductance of an inductor can be increased.
  • Explain what capacitance is and how it affects electrical circuits.
  • Describe the basic operation of a capacitor.