Electrostatic Potential and Capacitance Equations
10 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What determines the capacitance of a capacitor purely geometrically?

  • The voltage across the plates
  • The charge on the plates
  • The separation between the plates (correct)
  • The presence of a dielectric

    • What happens to the capacitance of a capacitor when a dielectric is introduced between the plates?

  • It increases (correct)
  • It remains the same
  • It decreases
  • It becomes zero

    • What is the unit of capacitance?

  • Farad (correct)
  • Volt
  • Ampere
  • Ohm

    • What formula represents the total capacitance of capacitors in series?

    <p>$\frac{1}{C} = \frac{1}{C_1} + \frac{1}{C_2} + \frac{1}{C_3} + ...$</p> Signup and view all the answers

    What is the energy stored in a capacitor with capacitance C, charge Q, and voltage V?

    <p>$U = CV^2$</p> Signup and view all the answers

    In a parallel combination of capacitors, how is the total capacitance calculated?

    <p>$C = C_1 + C_2 + C_3 + ...$</p> Signup and view all the answers

    What causes a decrease in potential difference between the plates of a capacitor filled with a dielectric?

    <p>Induced dipole moment in the dielectric</p> Signup and view all the answers

    What is the electric energy density in a region with an electric field?

    <p>$\epsilon_0 E$</p> Signup and view all the answers

    What type of generator consists of a large spherical conducting shell?

    <p>Van de Graaff generator</p> Signup and view all the answers

    What does 'K' represent in the formula C = KC0 for a capacitor with a dielectric inserted?

    <p>Dielectric constant of insulating substance</p> Signup and view all the answers

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser