Self-Test C-2.1: Electron Theory and Causes of Electricity

Complete Self-Test C-2.1 and check your answers.

  1. What is an atom that contains only one valence electron known as?
    1. A conductor
    2. An insulator
    3. A semiconductor
    4. A positive ion
  2. Which is the only source of electricity that produces alternating current?
    1. Heat
    2. Light
    3. Magnetism
    4. Chemicals
  3. A thermocouple uses what form of energy to create electricity?
    1. Heat
    2. Light
    3. Magnetism
    4. Pressure
  4. Where would piezoelectricity most commonly be used?
    1. To light a thermocouple
    2. To create electron flow through a light switch
    3. To light a main burner flame
    4. To create the spark in a BBQ lighter
  5. Complete the flowing statement: “Electricity occurs when there is a flow of .”
    1. Ions
    2. Neutrons
    3. Electrons
    4. Protons
  6. What is an atom that has an electrical charge known as?
    1. An ion
    2. A conductor
    3. An insulator
    4. An element
  7. What is electricity that is created by friction known as?
    1. Thermoelectricity
    2. Triboelectricity
    3. Photoelectricity
    4. Piezoelectricity
  8. What is the term given to 6.28 quintillion electrons?
    1. A coulomb of charge
    2. A neutron of potential
    3. A volt of resistance
    4. An ampere of ohms
  9. Which term describes the force of the south poles of two magnets brought together?
    1. Repel
    2. Relate
    3. Attract
    4. Conduct
  10. Which term best describes a materials readiness to be magnetized?
    1. Saturation
    2. Lines of flux
    3. Permeability
    4. Electromagnetism
  11. Which term best describes the phenomenon associated with AC generated from hydroelectricity?
    1. Saturation
    2. Line of flux
    3. Permeability
    4. Electromagnetism
  12. What are the four basic components of an electrical circuit?
    1. Source, conductor, switch, load
    2. Capacitor, cable, conductor, resistor
    3. Battery, generator, motor, transformer
    4. Voltage, amperage, resistance, magnetism

 

Answer Key: Self-Test C-2.1 is on the other page.

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