Gibilisco: Chapter 7 - Cells And Batteries! MCQs Quiz

20 Questions | Total Attempts: 217

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Cell Quizzes & Trivia

This is the MCQs for Gibilisco: CHAPTER 7 - Cells and Batteries


Questions and Answers
  • 1. 
    The chemical energy in a battery or cell:
    • A. 

      Is a form of kinetic energy

    • B. 

      Cannot be replenished once it is gone

    • C. 

      Changes to kinetic energy when the cell is used

    • D. 

      Is caused by electric current

  • 2. 
    A cell that cannot be recharged is:
    • A. 

      A dry cell

    • B. 

      A wet cell

    • C. 

      A primary cell

    • D. 

      A secondary cell

  • 3. 
    A Weston cell is generally used:
    • A. 

      As a current reference source

    • B. 

      As a voltage reference source

    • C. 

      As a power reference source

    • D. 

      As an energy reference source

  • 4. 
    The voltage in a battery is:
    • A. 

      Less than the voltage in a cell of the same kind.

    • B. 

      The same as the voltage in a cell of the same kind

    • C. 

      More than the voltage in a cell of the same kind

    • D. 

      Always a multiple of 1.018 V

  • 5. 
    A direct short-circuit of a battery can cause:
    • A. 

      An increase in its voltage

    • B. 

      No harm other than a rapid discharge of its energy

    • C. 

      The current to drop to zero

    • 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:
    • A. 

      7.33 Ah

    • B. 

      733 mAh

    • C. 

      7.33 Wh

    • D. 

      733 mWh

  • 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

    • B. 

      432 hours

    • C. 

      3.6 hours

    • D. 

      21.6 minutes

  • 8. 
    Alkaline cells:
    • A. 

      Are cheaper than zinc-carbon cells

    • B. 

      Are generally better in radios than zinc-carbon cells

    • C. 

      Have higher voltages than zinc-carbon cells

    • D. 

      Have shorter shelf lives than zinc-carbon cells

  • 9. 
    The energy in a cell or battery depends mainly on:
    • A. 

      Its physical size

    • B. 

      The current drawn from it

    • C. 

      Its voltage

    • D. 

      All of the above

  • 10. 
    In which of the following places would a “lantern” battery most likely be found?
    • A. 

      A heart pacemaker

    • B. 

      An electronic calculator

    • C. 

      An LCD wall clock

    • D. 

      A two-way portable radio

  • 11. 
    In which of the following places would a transistor battery be the best power-source choice?
    • A. 

      A heart pacemaker

    • B. 

      An electronic calculator

    • C. 

      An LCD wristwatch

    • D. 

      A two-way portable radio

  • 12. 
    In which of the following places would you most likely choose a lithium battery?
    • A. 

      A microcomputer memory backup

    • B. 

      A two-way portable radio

    • C. 

      A portable audio cassette player

    • D. 

      A rechargeable flashlight

  • 13. 
    Where would you most likely find a lead-acid battery?
    • A. 

      In a portable audio cassette player

    • B. 

      In a portable video camera/recorder

    • C. 

      In an LCD wall clock

    • D. 

      In a flashlight

  • 14. 
    A cell or battery that keeps up a constant current-delivering capability almost until it dies is said to have:
    • A. 

      A large ampere-hour rating

    • B. 

      Excellent energy capacity

    • C. 

      A flat discharge curve

    • D. 

      Good energy storage per unit volume

  • 15. 
    Where might you find a NICAD battery?
    • A. 

      In a satellite

    • B. 

      In a portable cassette player

    • C. 

      In a handheld radio transceiver

    • D. 

      In more than one of the above

  • 16. 
    A disadvantage of mercury cells and batteries is that:
    • A. 

      They don’t last as long as other types.

    • B. 

      They have a flat discharge curve.

    • C. 

      They pollute the environment

    • D. 

      They need to be recharged often

  • 17. 
    Which kind of battery should never be used until it “dies”?
    • A. 

      Silver-oxide

    • B. 

      Lead-acid

    • C. 

      Nickel-cadmium

    • D. 

      Mercury

  • 18. 
    The current from a solar panel is increased by:
    • A. 

      Connecting solar cells in series.

    • B. 

      Using NICAD cells in series with the solar cells.

    • C. 

      Connecting solar cells in parallel

    • D. 

      Using lead-acid cells in series with the solar cells

  • 19. 
    An interactive solar power system:
    • A. 

      Allows a homeowner to sell power to the utility

    • B. 

      Lets the batteries recharge at night

    • C. 

      Powers lights but not electronic devices

    • D. 

      Is totally independent from the utility

  • 20. 
    One reason why it is impractical to make an extremely high-voltage battery of cells is that:
    • A. 

      There’s a danger of electric shock

    • B. 

      It is impossible to get more than 103.5 V with electrochemical cells

    • C. 

      The battery would weigh to much

    • D. 

      There isn’t any real need for such thing