Electric Force and Conductors vs. Insulators Quiz
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Questions and Answers

What is the fundamental property of matter related to the presence of excess protons or electrons?

  • Magnetic field
  • Magnetic charge
  • Electric charge (correct)
  • Electric field

    • According to the Law of Charges, how do like charges interact with each other?

  • Repel (correct)
  • Stay neutral
  • Attract
  • Alternate attraction and repulsion

    • What do electric field lines represent around a charged object?

  • Field strength and direction (correct)
  • Charge magnitude only
  • Magnetic properties
  • Distance between objects

    • Which statement best describes the density of electric field lines with respect to the strength of the electric field?

    <p>Denser lines indicate a stronger field</p> Signup and view all the answers

    What is static electricity primarily attributed to?

    <p>Friction or contact with charged objects</p> Signup and view all the answers

    Which material is most likely to allow electric charge to remain stationary on its surface unless discharged through a conductive path?

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

    What does Coulomb's Law state?

    <p>The electric force is directly proportional to the square of the charges of the objects.</p> Signup and view all the answers

    What kind of materials are conductors?

    <p>Materials that allow electric charge to flow easily through them.</p> Signup and view all the answers

    How can insulators be charged by induction?

    <p>Bringing a charged object close without touching.</p> Signup and view all the answers

    What is the definition of electric current?

    <p>The rate at which charge flows past a point in a circuit.</p> Signup and view all the answers

    In which type of circuit do components connect end-to-end?

    <p>Series circuits</p> Signup and view all the answers

    What happens to the electric force between two charged objects if the distance between them is doubled?

    <p>The force decreases by a factor of 4.</p> Signup and view all the answers

    What is the main function of transformers in the distribution of electricity?

    <p>Step up voltage for long-distance transmission</p> Signup and view all the answers

    What is the main difference between AC and DC currents?

    <p>DC currents flow in one direction continuously</p> Signup and view all the answers

    What type of materials can be attracted to a magnet and magnetized?

    <p>Magnetic materials</p> Signup and view all the answers

    Where do magnetic field lines flow from and towards inside a magnet?

    <p>From north to south outside the magnet, and from south to north inside the magnet</p> Signup and view all the answers

    Which type of current is commonly used for long-distance transmission and why?

    <p>AC current, due to its continuous flow in one direction</p> Signup and view all the answers

    What property distinguishes magnetic from non-magnetic materials?

    <p>Ability to be attracted to magnets and magnetization</p> Signup and view all the answers

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