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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

germanium
silicon
gallium arsenide
aluminum

11: The raw material for silicon is

rust
sand
wood
junk

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 _____________

acid
water
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

resistor
capacitor
transistor
crystal

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
LED
Incandescent
fluorescent

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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