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Quiz

Physical Features That Determine Capacitance

Jeffrey Piggott 8 Fragen Aktualisiert am 26 Jul 2017

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Fragen in diesem Quiz (8)

  1. 1The independent variable is [blank_start]the number of cups[blank_end]; therefore, this variable is best plotted on [blank_start]space[blank_end]. The dependent variable is [blank_start]space[blank_end]; therefore, this variable is best plotted [blank_start]space[blank_end].
    1. Athe number of cups
    2. Bthe measured capacitance
    3. Cthe horizontal axis
    4. Dthe vertical axis
    5. Eeither axis
    6. Fthe number of cups
    7. Gthe measured capacitance
    8. Hon the horizontal axis
    9. Ion the verical axis
    10. Jon either axis
  2. 2What relationship between number of cups and capacitance does the graph illustrate?
    1. ACapacitance is proportional to the spacing between plates
    2. BCapacitance increases as the spacing between plates increases, although not proportionally
    3. CCapacitance decreases as the spacing between plates increases
    4. DThere is not a predictable relationship between capacitance and spacing between plates
  3. 3A parallel plate capacitor has plates with area A, separation distance, d, and dielectric filling the space between the plates, resulting in capacitance C.
    Which statement below correctly describes the resulting capacitance if the plate separation distance is doubled?
    1. A2C
    2. BC
    3. CC/2
    4. DC/4
  4. 4Rank the parallel plate capacitors shown, from largest to smallest capacitance.
    Equivalent capacitance is denoted by an equal sign.    Bild zu Frage 4
    1. AY > Z > W > X
    2. BX > Z = W > Y
    3. CY > W = Z > X
    4. DX > W > Z > Y
  5. 5Which of the following would definitely increase the capacitance of a parallel plate capacitor? Select TWO.
    1. AIncrease plate area and decrease the distance between the plates.
    2. BIncrease plate area and increase the distance between the plates.
    3. CInsert material with a greater dielectric constant between the plates and increase the distance between the plates.
    4. DInsert material with a greater dielectric constant between the plates and increase the plate area.
  6. 6Two parallel plates separated by 0.002 m have a capacitance of 3.5 pF. If there is air between the plates and
    κ=1, find the surface area of each plate.
    1. A7.9 x 10^-4 m^2
    2. B6.2 x 10^-26 m^2
    3. C1.5 x 10^-20 m^2
    4. D1.2 x 10^3 m^2
  7. 7Two parallel plate capacitors, a switch, and an ideal battery are placed in a series circuit as shown.
    The potential difference across each capacitor satisfies which of the following relationships?
    (There are TWO correct answers.)
    1. AThe sum of the magnitudes of the potential differences across the two capacitors is equal to the magnitude of the potential difference across the battery when the switch is closed.
    2. BThe potential differences across the two capacitors are equal regardless of their capacitances since they are in series with each other.
    3. CThe potential difference will be smallest across the capacitor with the largest capacitance.
    4. DThe potential difference across each capacitor will be inversely proportional to the charge stored on each capacitor.
  8. 8A parallel plate capacitor has square plates with side lengths of 2 x 10^−3 m separated by 1x 10^−4 m.
    The dielectric constant is 5.8.
    What is the value of the capacitance?
    1. A2 picofarads
    2. B2 microfarads
    3. C0.5 picofarads
    4. D0.5 microfarads

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Beschreibung
A Level quiz on physical features that determine capacitance.
Sprache
English
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50
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Erstellt am 26 Jul 2017 · aktualisiert am 26 Jul 2017
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