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  1. A 4.7 M resistor is in series with a 0.015 F capacitor. The combination is across a 12 V source. How long does it take the capacitor to fully charge?

  2. A.
    35 ms
    B.
    352 ms
    C.
    3.5 s
    D.
    70.5 ms

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  3. A sine wave voltage is applied across a capacitor. When the frequency of the voltage is decreased, the current

  4. A.
    increases
    B.
    remains constant
    C.
    decreases
    D.
    ceases

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  5. Of the following capacitors, which one has the highest dielectric constant?

  6. A.
    air
    B.
    mica
    C.
    glass
    D.
    paper

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  7. A 0.01 F capacitor equals how many picofarads?

  8. A.
    100 pF
    B.
    1,000 pF
    C.
    10,000 pF
    D.
    100,000 pF

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  9. A 12 kHz voltage is applied to a 0.33 F capacitor, and 200 mA of rms current is measured. What is the value of the voltage?

  10. A.
    8 V
    B.
    80 V
    C.
    80 mV
    D.
    800 mV

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  11. A 0.00022 F capacitor equals how many microfarads?

  12. A.
    22 F
    B.
    220 F
    C.
    2,200 F
    D.
    22,200 F

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  13. Two series capacitors (one 2 F, the other of unknown value) are charged from a 24 V source. The 2 F capacitor is charged to 16 V and the other to 8 V. The value of the unknown capacitor is

  14. A.
    1 F
    B.
    2 F
    C.
    4 F
    D.
    8 F

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  15. A 330 pF capacitor and a 220 pF capacitor are each connected across a 6 V dc source. The voltage across the 330 pF capacitor is

  16. A.
    3 V
    B.
    6 V
    C.
    4 V
    D.
    0 V

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  17. A 2 F, a 4 F, and a 10 F capacitor are connected in series. The total capacitance is less than

  18. A.
    2 F
    B.
    4 F
    C.
    10 F
    D.
    1.5 F

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  19. When the plate area of a capacitor increases,

  20. A.
    the capacitance increases
    B.
    the capacitance decreases
    C.
    the capacitance is unaffected
    D.
    the voltage it can withstand increases.

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