Gibilisco - Cells And Batteries

20 Questions

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Cells Quizzes & Trivia

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 electrical energy when the cell is used.

    • D. 

      Is caused by electric current.

  • 2. 
    A cell that cannot be recharged is known as
    • A. 

      A dry cell.

    • B. 

      A wet cell.

    • C. 

      A primary cell.

    • D. 

      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 a fuel cell.

  • 4. 
    The voltage produced by a battery of multiple cells connected in series is
    • A. 

      Less than the voltage produced by a cell of the same composition.

    • B. 

      The same as the voltage produced by a cell of the same composition.

    • C. 

      More than the voltage produced by a cell of the same composition.

    • D. 

      Always a whole-number multiple of 1.018 V.

  • 5. 
    A direct short-circuit of a large 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. 

      A physical rupture or explosion.

  • 6. 
    Suppose a cell of 1.5 V delivers 100 mA for 7 hours and 20 minutes, and then it is replaced.How much energy is supplied during this time?
    • A. 

      0.49 Wh

    • B. 

      1.1 Wh

    • C. 

      7.33 Wh

    • D. 

      733 mWh

  • 7. 
    Suppose a 12-V automotive battery is rated at 36 Ah. If a 100-W, 12-V bulb is connectedacross this battery, approximately how long will the bulb stay aglow, assuming 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. 

      Generally work 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 devices 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 devices would a transistor battery be the best power choice?
    • A. 

      A heart pacemaker

    • B. 

      An electronic calculator

    • C. 

      An LCD wall clock

    • D. 

      A two-way portable radio

  • 12. 
    For which of the following applications would you choose a lithium battery?
    • A. 

      A microcomputer memory backup

    • B. 

      A two-way portable radio

    • C. 

      A stand-alone solar-electric system

    • D. 

      A rechargeable lantern

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

      In a portable audio CD player

    • B. 

      In an uninterruptible power supply

    • C. 

      In an LCD wall clock

    • D. 

      In a flashlight

  • 14. 
    A cell or battery that maintains a constant current-delivering capability almost until it dies issaid to have
    • A. 

      A large ampere-hour rating.

    • B. 

      Excellent energy capacity.

    • C. 

      A flat discharge curve.

    • D. 

      Good energy storage capacity per unit volume.

  • 15. 
    Where might you find a nickel-based battery?
    • A. 

      In a satellite

    • B. 

      In a portable cassette player

    • C. 

      In a handheld radio transceiver

    • D. 

      More than one of the above

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

      They don’t last as long as other types.

    • B. 

      They have a flat discharge curve.

    • C. 

      Mercury is destructive to 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-based

    • D. 

      Mercury

  • 18. 
    • A. 

      Connecting capacitors in parallel with the solar cells.

    • B. 

      Connecting resistors in series with the solar cells.

    • C. 

      Connecting two or more groups of solar cells in parallel.

    • D. 

      Connecting resistors in parallel with the solar cells.

  • 19. 
    An interactive solar power system
    • A. 

      Allows a homeowner to sell power to the electric company.

    • B. 

      Lets the batteries recharge at night.

    • C. 

      Powers lights, but not electronic devices.

    • D. 

      Is totally independent from the electric company.

  • 20. 
    An advantage of methanol over hydrogen for use in fuel cells is the fact that
    • A. 

      Methanol is the most abundant element in the universe.

    • B. 

      Methanol is not flammable.

    • C. 

      Methanol is a solid at room temperature.

    • D. 

      Methanol is easier to transport and store.