Multiple Choice Questions

Ceq = 6C/11
  • Using the value of Qtot, find the equivalent capacitance Ceq for this combination of capacitors.Express your answer in terms of C.
  • Find the charge Q on the first capacitor.Express your answer in terms of C and ΔV1.
  • Find the voltage ΔV1 across the first capacitor.Express your answer in terms of ΔV.
  • Using the value of Q just calculated, find the equivalent capacitance Ceq for this combination of capacitors in series.Express your answer in terms of C.
ΔV1 = 6ΔV11
  • Using the value of Q just calculated, find the equivalent capacitance Ceq for this combination of capacitors in series.Express your answer in terms of C.
  • Find the charge Q on the first capacitor.Express your answer in terms of C and ΔV1.
  • Find the voltage ΔV1 across the first capacitor.Express your answer in terms of ΔV.
  • Find the equivalent capacitance CA of the network of capacitors.Express your answer in microfarads.
CB = 2.54 μF
  • Two capacitors of capacitance C5 = 6.00 μF and C6 = 3.00 μF are added to the network, as shown in the diagram.(Figure 2) Find the equivalent capacitance CB of the new network of capacitors.Express your answer in microfarads.
  • Using the value of Q just calculated, find the equivalent capacitance Ceq for this combination of capacitors in series.Express your answer in terms of C.
  • What is the equivalent capacitance Ceq of the entire combination?Express your answer in microfarads to three significant figures.
  • Find the equivalent capacitance CA of the network of capacitors.Express your answer in microfarads.
A spherical capacitor is formed from two concentric spherical conducting shells separated by vacuum. The inner sphere has radius 10.0 centimeters, and the separation between the spheres is 1.50 centimeters. The magnitude of the charge on each sphere is 3.30 nanocoulomb.What is the magnitude of the potential difference ΔV between the two spheres?
  • ΔV = 38.7 V
  • 6.38×10^−8 J
  • Halve the plate separation and double the plate area.
  • the ability to store charge
Ceq = 6C
  • Find the charge Q on the first capacitor.Express your answer in terms of C and ΔV1.
  • Using the value of Qtot, find the equivalent capacitance Ceq for this combination of capacitors.Express your answer in terms of C.
  • Find the voltage ΔV1 across the first capacitor.Express your answer in terms of ΔV.
  • Using the value of Q just calculated, find the equivalent capacitance Ceq for this combination of capacitors in series.Express your answer in terms of C.
Qtot = 6C
  • Using the value of Q just calculated, find the equivalent capacitance Ceq for this combination of capacitors in series.Express your answer in terms of C.
  • Using the value of Qtot, find the equivalent capacitance Ceq for this combination of capacitors.Express your answer in terms of C.
  • Suppose we consider the system of the three capacitors as a single "equivalent" capacitor. Given the charges of the three individual capacitors calculated in the previous part, find the total charge Qtot for this equivalent capacitor.Express your answer in terms of V and C.
  • Consider the same situation as in the previous part, except that the charging battery remains connected while the dielectric is inserted.(Figure 2) The battery is then disconnected and the capacitor is discharged. For this situation, what is Ur, the energy dissipated in the resistor?Express your answer in terms of U and other given quantities.
A=2cm^2 C=8nF >A=2cm^2 C=4nF > A=4cm^2 C=2nF = A=8cm^2 C=2nF > A=1cm^2 C=1nF = A=4cm^2 C=1nF
  • Rank the capacitors on the basis of the charge stored on the positive plate.
  • Find the charge Q on the first capacitor.Express your answer in terms of C and ΔV1.
  • Find the voltage ΔV1 across the first capacitor.Express your answer in terms of ΔV.
  • Rank the following capacitors on the basis of the dielectric constant of the material between the plates.
Ur = U/K
  • Find Ur, the the energy dissipated in the resistor.Express your answer in terms of U and other given quantities.
  • Find the equivalent capacitance CA of the network of capacitors.Express your answer in microfarads.
  • Consider the same situation as in the previous part, except that the charging battery remains connected while the dielectric is inserted.(Figure 2) The battery is then disconnected and the capacitor is discharged. For this situation, what is Ur, the energy dissipated in the resistor?Express your answer in terms of U and other given quantities.
  • Find the charge Q on the first capacitor.Express your answer in terms of C and ΔV1.
Halve the plate area.Double the plate separation.
  • the ability to store charge
  • Halve the plate separation and double the plate area.
  • Decrease the spacing between the plates of the capacitor.
  • Consider a charged parallel-plate capacitor. How can its capacitance be halved?Check all that apply.Double the charge.Double the plate area.Double the plate separation.Halve the charge.Halve the plate area.Halve the plate separation.
A=2cm^2 C=8nF >A=2cm^2 C=4nF > A=1cm^2 C=1nF >A=4cm^2 C=2nF > A=4cm^2 C=1nF = A=8cm^2 C=2nF
  • Rank the capacitors on the basis of the charge stored on the positive plate.
  • Rank the following capacitors on the basis of the dielectric constant of the material between the plates.
  • Find the voltage ΔV1 across the first capacitor.Express your answer in terms of ΔV.
  • Find the equivalent capacitance CA of the network of capacitors.Express your answer in microfarads.
A spherical capacitor is formed from two concentric spherical conducting shells separated by vacuum. The inner sphere has radius 10.0 centimeters, and the separation between the spheres is 1.50 centimeters. The magnitude of the charge on each sphere is 3.30 nanocoulomb.What is the electric-field energy stored in the capacitor?
  • 6.38×10^−8 J
  • Halve the plate separation and double the plate area.
  • the ability to store charge
  • Decrease the spacing between the plates of the capacitor.
Ceq = 14.4 μF
  • What is the equivalent capacitance Ceq of the entire combination?Express your answer in microfarads to three significant figures.
  • Using the value of Q just calculated, find the equivalent capacitance Ceq for this combination of capacitors in series.Express your answer in terms of C.
  • Using the value of Qtot, find the equivalent capacitance Ceq for this combination of capacitors.Express your answer in terms of C.
  • Find the equivalent capacitance CA of the network of capacitors.Express your answer in microfarads.
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Multiple Choice Questions
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