CIE-1 Quiz 3

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1: Electricity generated by chemistry is usually
alternating current
square waves
direct current
sine wave
2: The electrolyte in a chemical battery
is used up and discarded every time you use the battery
carries the current between the plates
is generally a solid
acts to dissolve both metal plates.
3: Cells in series increase _______ while cells in parallel increase ____________
current, current
current, voltage
voltage, voltage
voltage, current
4: Two metals that are eaten away in a lemon or potato cell are
aluminum and zinc
aluminum and copper
zinc and copper
copper and electrolyte
5: A cell that is discarded after use is called a
secondary cell
primary cell
voltage cell
current cell
6: An automobile lead-acid battery is an example of a
secondary cell
primary cell
voltage cell
current cell
7: The battery in your cell phone is probably
Nickel cadmium
Lead acid
Nickel Metal Hydride
Lithium Ion
8: Your cell phone has a battery rated at 130 milliamp-hours. In standby the phone draws 200 microamperes. How long can you go between charges
0.65 days
0.65 hours
650 hours
650 days
9: We can do electromagnetic generation by
moving a coil or magnet with a motor
Moving a coil or magnet with a rotating turbine
Use sun, wind, heat, or ocean wave to rotate a turbine
all of the above
10: Photovoltaic cells are generally made out of
gallium arsenide
11: The raw material for silicon is
12: Generating electricity from photoelectric cells is
relatively easy
relatively cheap
relatively expensive
relatively constant over the year
13: Piezoelectric generation can be done by
hitting a crystal
heating a wire
turning a turbine
boiling water
14: Heating ____________ will produce electricity
turbine blades
rochelle salt crystals
silicon cells
dissimilar metal wires
15: A cell is formed of an electrolyte and _____________
two dissimilar metals
two similar metals
16: Our potato CELL had a voltage of about
0.08 volts
0.8 volts
1.6 volts
8 volts
17: The potato contains acids
phosphoric and citric
hydrochloric and nitric
citric and sulphuric
phosphoric and acetic
18: Our potato BATTERY had a voltage of about
0.08 volts
0.8 volts
1.6 volts
8 volts
19: The actual component used to keep the clock "on time" is a
20: To connect our clock to the battery we used
nuts and bolts
paper clips
wires soldered to the copper and the zinc
spring clips
21: The ________ strip formed the positive (+) terminal of the battery and the _______ strip formed the negative (-) terminal
copper, violet wire
zinc, copper
copper, zinc
zinc, violet wire
22: The "readout" (digits) on the clock are
liquid crystal
23: The clock draws about ____________ of current
0.01 microampere
0.1 microampere
1 microampere
1 milliampere
24: The controls on the clock are
the battery
the crystal
The quartz crystal
S1 and S2
25: The integrated circuit is covered with a blob of black sealant so that
the chip is electrically insulated
the design is hidden
the temperature remains constant
it can be easily identified

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