Electrostatics Quiz
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Questions and Answers

What is the source of the word 'electricity'?

  • The Arabic word for amber, كهرباء (kahrabaa')
  • The Sanskrit word for amber, इलेक्ट्रम् (ilekṭram)
  • The Greek word for amber, ἤλεκτρον (ḗlektron) (correct)
  • The Latin word for amber, electrum
  • What phenomenon arises from electrostatic forces as simple as attraction of plastic wrap to one's hand after it is removed from a package?

  • Gravitational phenomena
  • Electrostatic phenomena (correct)
  • Magnetic phenomena
  • Nuclear phenomena
  • What role do electrostatic forces play at nanoscale?

  • They are only relevant in macroscopic systems.
  • They are negligible compared to gravitational forces at nanoscale.
  • They play a large role in how atoms and molecules behave due to large Coulomb forces between electrons and positively charged nuclei. (correct)
  • They have no significant impact at nanoscale.
  • What does Coulomb's law state?

    <p>$F = k_e \frac{|q_1 q_2|}{r^2}$, where $F$ is the force between the charges, $k_e$ is Coulomb's constant, $q_1$ and $q_2$ are the magnitudes of the charges, and $r$ is the distance between the charges.</p> Signup and view all the answers

    What are electrostatic forces described by?

    <p>Coulomb's law</p> Signup and view all the answers

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