Electrical Theory And Generators

15 Questions | Total Attempts: 72

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Electrical Quizzes & Trivia

This quiz is an ultimate test to see how much you know about this volume. Good luck!


Questions and Answers
  • 1. 
    What is the simplest form of matter?
    • A. 

      Element

    • B. 

      Mixture

    • C. 

      Compound

    • D. 

      Electrons

  • 2. 
    A  _____ is a combination of two or more substances without using a chemical reaction.
    • A. 

      Element

    • B. 

      Mixture

    • C. 

      Compound

    • D. 

      Electrons

  • 3. 
    A _____ is two or more elements combined in definite portions by chemical means to form another substance.
    • A. 

      Mixture

    • B. 

      Compound

    • C. 

      Electrons

    • D. 

      Element

  • 4. 
    In an atom, what electrons contain the most energy?
    • A. 

      The energy is shared equally by all electrons

    • B. 

      Orbiting electrons

    • C. 

      Valence electrons

    • D. 

      K shell electrons

  • 5. 
    Atoms having more than four electrons, but less than eight are known as
    • A. 

      Insulators.

    • B. 

      Conductors.

    • C. 

      Stable atoms.

    • D. 

      Semiconductors.

  • 6. 
    Atoms having only four electrons are known as 
    • A. 

      Insulators.

    • B. 

      Conductors.

    • C. 

      Stable atoms.

    • D. 

      Semiconductors.

  • 7. 
    Atoms having only eight electrons are known as 
    • A. 

      Insulators.

    • B. 

      Conductors.

    • C. 

      Stable atoms.

    • D. 

      Semiconductors.

  • 8. 
    The electrostatic field around a positive ion moves
    • A. 

      Inward.

    • B. 

      Outward.

    • C. 

      Inward, then outward.

    • D. 

      Outward, then inward.

  • 9. 
    The electrostatic field around a negative ion moves
    • A. 

      Inward.

    • B. 

      Outward.

    • C. 

      Inward, then outward.

    • D. 

      Outward, then inward.

  • 10. 
    What are the factors that affect the resistance of a material?
    • A. 

      Area, weight, and state of material.

    • B. 

      Area, temperature, and type of material.

    • C. 

      Temperature, weight, and state of material.

    • D. 

      Temperature, type of material, and state of material.

  • 11. 
    What is the resistance in a circuit if the power rating is 40 watts and total current is 2 amps?
    • A. 

      40 ohms

    • B. 

      20 ohms

    • C. 

      10 ohms

    • D. 

      0.5 ohms

  • 12. 
    Convert 500 milliamps to standard amperage.
    • A. 

      .005 amps

    • B. 

      .05 amps

    • C. 

      .5 amps

    • D. 

      50 amps

  • 13. 
    In a series-parallel circuit, find RT if series resistor R1=7 ohms, and parallel resistor R2 and R3=8 ohms.
    • A. 

      23 ohms

    • B. 

      15 ohms

    • C. 

      11 ohms

    • D. 

      8 ohms

  • 14. 
    What is the difference between an open and a short?
    • A. 

      An open causesresistance to decrease; a short causes resistance to increase.

    • B. 

      Excessive current flow in an open circuit; no current flow in a shorted component.

    • C. 

      No current flow in an open circuit; excessive current flow in a shorted component.

    • D. 

      Minimum voltage development across the open component; maximum voltage development across the shorted component.

  • 15. 
    Voltage induced into a conductor by the expanding and collapsing of a magnetic field is...
    • A. 

      Magnetism.

    • B. 

      Reluctance.

    • C. 

      Direct current.

    • D. 

      Electromagnetic induction.

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