Electricity and Atomic Structure Quiz
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Questions and Answers

What is the electric charge of a proton?

  • Positive (correct)
  • Neutral
  • Variable
  • Negative
  • What type of materials are good conductors of electricity?

  • Wood
  • Plastic
  • Metals (correct)
  • Rubber
  • What is electromotive force (e.m.f.) related to in metals?

  • Temperature of the metal
  • Displacement of valence electrons by small external electrical energy (correct)
  • Charge density of the metal
  • Atomic weight of the metal
  • What keeps the electron in circular motion around the nucleus?

    <p>Electrostatic force of attraction between proton and electron</p> Signup and view all the answers

    In which direction does electron current flow externally from the negative of a battery supply to the positive?

    <p>From end B to end A of the conductor</p> Signup and view all the answers

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