General Physics 2: Capacitors in Series and Parallel
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Questions and Answers

What is the primary function of a capacitor in an electric circuit?

  • To act as a damper, slowing down the sudden movement of current (correct)
  • To increase the voltage of the power source
  • To convert AC to DC voltage
  • To amplify the flow of electric current

    • What is the main purpose of using a capacitor in a power supply?

  • To provide a stable current flow
  • To regulate the output voltage
  • To filter out high-frequency noise (correct)
  • To prevent overheating of the power supply

    • What is the term for the flow of electrons in an electric circuit?

  • Voltage drop
  • Current flow
  • Electricity (correct)
  • Electron flow

    • What is a schematic diagram also known as?

    <p>Electronic symbol</p> Signup and view all the answers

    What is the purpose of a conducting wire in an electric circuit?

    <p>To establish an electrical connection between the power source and the load</p> Signup and view all the answers

    Why do we need capacitors in electronic devices?

    <p>To store electric charges</p> Signup and view all the answers

    What happens when a constant positive potential difference is applied between points A and B?

    <p>The capacitors become charged</p> Signup and view all the answers

    What is the magnitude of charge on all conducting plates?

    <p>The same for all plates</p> Signup and view all the answers

    What happens to the electric field of the positive charge on the top plate of C1?

    <p>It pulls negative charge up to the bottom plate of C1</p> Signup and view all the answers

    What is the total charge on the lower plate of C1 and the upper plate of C2?

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

    Why does the top plate of C2 become positively charged?

    <p>Due to the electric field of the positive charge on the top plate of C1</p> Signup and view all the answers

    What is the significance of the fact that the plates are not connected to anything except each other?

    <p>It means the total charge on the connected plates is zero</p> Signup and view all the answers

    What happens to the potential differences of individual capacitors when connected in series?

    <p>They add to give the total potential difference</p> Signup and view all the answers

    What is the total capacitance of a series combination of capacitors?

    <p>The reciprocal of the sum of the reciprocals of the individual capacitances</p> Signup and view all the answers

    What is the purpose of a schematic diagram in a circuit analysis?

    <p>To visualize the circuit and identify the components</p> Signup and view all the answers

    What is the equivalent capacitor in a parallel connection?

    <p>A single capacitor with the same total capacitance and potential difference</p> Signup and view all the answers

    What is the total charge of a parallel combination of capacitors?

    <p>Q1 + Q2</p> Signup and view all the answers

    What is the purpose of connecting the upper plates of the capacitors in a parallel connection?

    <p>To form an equipotential surface</p> Signup and view all the answers

    What does the symbol V1 denote in a series connection of capacitors?

    <p>The potential difference across the first capacitor</p> Signup and view all the answers

    What is the equivalent capacitance of a series combination of capacitors defined as?

    <p>The capacitance of a single capacitor for which the charge is the same as for the combination</p> Signup and view all the answers

    What is the relationship between the reciprocal of the equivalent capacitance and the reciprocals of the individual capacitances in a series combination?

    <p>The reciprocal of the equivalent capacitance is equal to the sum of the reciprocals of the individual capacitances</p> Signup and view all the answers

    What is a characteristic of a series connection of capacitors?

    <p>The total capacitance is always less than any individual capacitance</p> Signup and view all the answers

    What is true about the magnitude of charge on the plates of capacitors in a series combination?

    <p>The magnitude of charge is the same on all plates of the capacitors</p> Signup and view all the answers

    What is the equivalent capacitance of a parallel combination of capacitors?

    <p>The sum of the individual capacitances</p> Signup and view all the answers

    What is a condition for the potential differences of individual capacitors to be the same in a series combination?

    <p>The individual capacitances are the same</p> Signup and view all the answers

    What is the relationship between the potential differences and the charges on individual capacitors in a parallel combination?

    <p>The potential differences are the same, but the charges are different</p> Signup and view all the answers

    What is the total charge on a parallel combination of capacitors?

    <p>The sum of the individual charges</p> Signup and view all the answers

    How do you find the equivalent capacitance of multiple capacitors in parallel?

    <p>Add the individual capacitances</p> Signup and view all the answers

    What is the condition for the charges on individual capacitors to be the same in a parallel combination?

    <p>The individual capacitances are the same</p> Signup and view all the answers

    What is the advantage of connecting capacitors in parallel?

    <p>The equivalent capacitance is greater than any individual capacitance</p> Signup and view all the answers

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