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GIBILISCO CHAP 7

GIBILISCO CHAP 7
20問 • 2年前
  • Czy Gamat
    • 通報

    問題一覧

  • 1

    The chemical energy in a battery or cell:

    C. Changes to kinetic energy when the cell is used.

  • 2

    A cell that cannot be recharged is:

    C. A primary cell.

  • 3

    A Weston cell is generally used:

    B. As a voltage reference source.

  • 4

    The voltage in a battery is

    C. More than the voltage in a cell of the same kind.

  • 5

    A direct short-circuit of a battery can cause:

    D. An explosion.

  • 6

    A cell of 1.5 V supplies 100 mA for seven hours and twenty minutes, and then it is replaced. It has supplied:

    B. 733 mAh.

  • 7

    A 12-V auto battery is rated at 36 Ah. If a 100-W, 12-Vdc bulb is connected across this battery, about how long will the bulb stay lit, if the battery has been fully charged?

    A. 4 hours and 20 minutes.

  • 8

    Alkaline cells:

    B. Are generally better in radios than zinc-carbon cells

  • 9

    The energy in a cell or battery depends mainly on:

    A. Its physical size

  • 10

    In which of the following places would a “lantern” battery most likely be found?

    D. A two-way portable radio.

  • 11

    In which of the following places would a transistor battery be the best power-source choice?

    B. An electronic calculator

  • 12

    In which of the following places would you most likely choose a lithium battery?

    A. A microcomputer memory backup.

  • 13

    Where would you most likely find a lead-acid battery?

    B. In a portable video camera/recorder.

  • 14

    A cell or battery that keeps up a constant current-delivering capability almost until it dies is said to have:

    C. A flat discharge curve

  • 15

    Where might you find a NICAD battery?

    D. In more than one of the above.

  • 16

    A disadvantage of mercury cells and batteries is that:

    C. They pollute the environment.

  • 17

    Which kind of battery should never be used until it “dies”?

    C. Nickel-cadmium

  • 18

    The current from a solar panel is increased by:

    C. Connecting solar cells in parallel.

  • 19

    An interactive solar power system:

    A. Allows a homeowner to sell power to the utility.

  • 20

    One reason why it is impractical to make an extrememly high-voltage battery of cells is that:

    D. There isn’t any real need for such thing.

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    問題一覧

  • 1

    The chemical energy in a battery or cell:

    C. Changes to kinetic energy when the cell is used.

  • 2

    A cell that cannot be recharged is:

    C. A primary cell.

  • 3

    A Weston cell is generally used:

    B. As a voltage reference source.

  • 4

    The voltage in a battery is

    C. More than the voltage in a cell of the same kind.

  • 5

    A direct short-circuit of a battery can cause:

    D. An explosion.

  • 6

    A cell of 1.5 V supplies 100 mA for seven hours and twenty minutes, and then it is replaced. It has supplied:

    B. 733 mAh.

  • 7

    A 12-V auto battery is rated at 36 Ah. If a 100-W, 12-Vdc bulb is connected across this battery, about how long will the bulb stay lit, if the battery has been fully charged?

    A. 4 hours and 20 minutes.

  • 8

    Alkaline cells:

    B. Are generally better in radios than zinc-carbon cells

  • 9

    The energy in a cell or battery depends mainly on:

    A. Its physical size

  • 10

    In which of the following places would a “lantern” battery most likely be found?

    D. A two-way portable radio.

  • 11

    In which of the following places would a transistor battery be the best power-source choice?

    B. An electronic calculator

  • 12

    In which of the following places would you most likely choose a lithium battery?

    A. A microcomputer memory backup.

  • 13

    Where would you most likely find a lead-acid battery?

    B. In a portable video camera/recorder.

  • 14

    A cell or battery that keeps up a constant current-delivering capability almost until it dies is said to have:

    C. A flat discharge curve

  • 15

    Where might you find a NICAD battery?

    D. In more than one of the above.

  • 16

    A disadvantage of mercury cells and batteries is that:

    C. They pollute the environment.

  • 17

    Which kind of battery should never be used until it “dies”?

    C. Nickel-cadmium

  • 18

    The current from a solar panel is increased by:

    C. Connecting solar cells in parallel.

  • 19

    An interactive solar power system:

    A. Allows a homeowner to sell power to the utility.

  • 20

    One reason why it is impractical to make an extrememly high-voltage battery of cells is that:

    D. There isn’t any real need for such thing.