Module 1 Building Electrical Systems Quiz
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Questions and Answers

What is the primary characteristic of electrical insulators?

  • They offer relatively high resistance to the flow of electric current. (correct)
  • They have conductivity midway between conductors and insulators.
  • They allow the free flow of electric charges.
  • They are materials that can be easily ionized.

    • Which of the following is NOT a fundamental particle found in an atom?

  • Quark (correct)
  • Neutron
  • Proton
  • Electron

    • What is the unit used to measure electric current?

  • Coulomb
  • Ohm
  • Volt
  • Ampere (correct)

    • Which shell of an atom is associated with the valence electrons?

    <p>Outermost shell</p> Signup and view all the answers

    What is the charge of a neutron?

    <p>Neutral</p> Signup and view all the answers

    Which of the following materials have conductivity midway between good conductors and good insulators?

    <p>Electric semiconductors</p> Signup and view all the answers

    What is the SI unit of charge?

    <p>Coulomb</p> Signup and view all the answers

    Which of the following statements about electrical conductors is correct?

    <p>They allow the essentially free passage of current when connected to a source.</p> Signup and view all the answers

    What is the charge of an electron in Coulombs?

    <p>1.602 x 10^-21 C</p> Signup and view all the answers

    Which of the following is NOT one of the five shells of an atom mentioned in the text?

    <p>P-shell</p> Signup and view all the answers

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