Electrostatic Potential and Capacitance Quiz
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Questions and Answers

What type of forces are spring force, gravitational force, and Coulomb force?

  • Centripetal forces
  • Frictional forces
  • Conservative forces (correct)
  • Non-conservative forces

    • What gets stored as potential energy when an external force does work in moving a body against a force like spring force or gravitational force?

  • Kinetic energy of the body
  • Work done by the external force
  • Both kinetic and potential energies
  • Potential energy of the body (correct)

    • What is the dependence of both gravitational force and Coulomb force on distance?

  • Linear dependence
  • Inverse-square dependence (correct)
  • Exponential dependence
  • Inverse dependence

    • What can be defined for a charge in an electrostatic field analogous to the potential energy of a mass in a gravitational field?

    <p>Electrostatic potential energy</p> Signup and view all the answers

    When can a test charge be brought from a point R to a point P against the repulsive force due to a charge Q?

    <p>If Q and q are both positive or both negative</p> Signup and view all the answers

    What is the electrostatic potential energy of a charge in an electrostatic field analogous to?

    <p>Potential energy of a mass in a gravitational field</p> Signup and view all the answers

    What kind of forces are spring force, gravitational force, and Coulomb force?

    <p>Conservative forces</p> Signup and view all the answers

    When does a test charge gain kinetic energy and lose potential energy?

    <p>When the external force is removed</p> Signup and view all the answers

    What is the dependence of both gravitational force and Coulomb force on distance?

    <p>Inverse-square dependence</p> Signup and view all the answers

    What happens to the sum of kinetic and potential energies for a body when the external force is removed?

    <p>It is conserved</p> Signup and view all the answers

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