Electrifying Electrostatics
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Questions and Answers

What is the source of the word 'electricity'?

  • The Sanskrit word for amber, elektrika
  • The Arabic word for amber, al-elektrik
  • The Latin word for amber, electrum
  • The Greek word for amber, ἤλεκτρον (ḗlektron) (correct)

    • What law describes the forces between electric charges?

  • Newton's law
  • Ohm's law
  • Coulomb's law (correct)
  • Faraday's law

    • What phenomenon is an example of electrostatic forces at work?

  • The repulsion of magnets
  • The attraction of plastic wrap to one's hand (correct)
  • The expansion of a metal due to heat
  • The heating of a wire due to electric current

    • At what scale do electrostatic forces play a large role?

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

    How much stronger is the force between an electron and a proton compared to the gravitational force acting between them?

    <p>More than 39 orders of magnitude</p> Signup and view all the answers

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