This is the MCQs for Gibilisco: CHAPTER 7 - Cells and Batteries
4 hours and 20 minutes
432 hours
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21.6 minutes
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An increase in its voltage
No harm other than a rapid discharge of its energy
The current to drop to zero
An explosion
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They don’t last as long as other types.
They have a flat discharge curve.
They pollute the environment
They need to be recharged often
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A heart pacemaker
An electronic calculator
An LCD wristwatch
A two-way portable radio
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As a current reference source
As a voltage reference source
As a power reference source
As an energy reference source
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Connecting solar cells in series.
Using NICAD cells in series with the solar cells.
Connecting solar cells in parallel
Using lead-acid cells in series with the solar cells
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A large ampere-hour rating
Excellent energy capacity
A flat discharge curve
Good energy storage per unit volume
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Is a form of kinetic energy
Cannot be replenished once it is gone
Changes to kinetic energy when the cell is used
Is caused by electric current
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A heart pacemaker
An electronic calculator
An LCD wall clock
A two-way portable radio
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Allows a homeowner to sell power to the utility
Lets the batteries recharge at night
Powers lights but not electronic devices
Is totally independent from the utility
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Methanol is the most abundant element in the universe
Methanol is not flammable
Methanol is a solid at room temperature
Methanol is easier to transport and store
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7.33 Ah
733 mAh
7.33 Wh
733 mWh
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Are cheaper than zinc-carbon cells
Are generally better in radios than zinc-carbon cells
Have higher voltages than zinc-carbon cells
Have shorter shelf lives than zinc-carbon cells
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Its physical size
The current drawn from it
Its voltage
All of the above
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A microcomputer memory backup
A two-way portable radio
A portable audio cassette player
A rechargeable flashlight
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In a portable audio cassette player
In a portable video camera/recorder
In an LCD wall clock
In a flashlight
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Silver-oxide
Lead-acid
Nickel-cadmium
Mercury
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There’s a danger of electric shock
It is impossible to get more than 103.5 V with electrochemical cells
The battery would weigh to much
There isn’t any real need for such thing
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Less than the voltage in a cell of the same kind.
The same as the voltage in a cell of the same kind
More than the voltage in a cell of the same kind
Always a multiple of 1.018 V
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In a satellite
In a portable cassette player
In a handheld radio transceiver
In more than one of the above
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