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CIE-1 Quiz 1

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1: Electronics is the study of

protons
neutrons
electrons
atoms

2: The smallest particle of an element that retains all the properties of the element

ion
atom
proton
neutron

3: Atomic particle carrying a positive (+) charge

proton
neutron
electron
atom

4: The first **practical** use of magnetism was by the

English
Dutch
Italians
Chinese

5: The first battery was made by

Von Guericke
Galvani
Volta
Oersted

6: The first telegraph line was constructed by

Wheatstone
Morse
Edison
Bell

7: The first telephone message was

The Lord's Prayer
Mary Had A Little Lamb
"To be or not to be, that is the question."
A call for help

8: The first widespread industrial use for electricity was

printing
metal plating
telegraphy
telephones

9: The first electric light bulb was demonstrated by

Edison
Swan
Crookes
Tesla

10: The photoelectric effect was explained by

Tesla
Fleming
Einstein
Steinmetz

11: The vacuum tube with amplification ("power gain") was invented by

DeForest
Fleming
Edison
Fessenden

12: The first home electrical appliance was the

Refrigerator
Clothes washer
Dish washer
Vacuum cleaner

13: The transistor was invented by

Bardeen
Brattain
Shockley
All of the above

14: The Integrated Electronics Corporation (Intel) was founded by

Noyce and Kilby
Townes and Schawlow
Noyce and Moore
Greatbach and Chardak

15: The first microprocessor based computer was introduced by

IBM
Apple
Microsoft
Intel

16: Pure silicon is a(n)

insulator
conductor
semiconductor
ion

17: Aluminum gallium arsenide and gallium nitride glow (respectively)

orange and red
yellow and green
blue and white
red and blue

18: The lowest melting point mixture of an alloy is called

critical
plastic
eutectic
solder

19: Electronic solder has a core of

tin
lead
copper
rosin

20: In the white LED flashlight, the load is the

battery
LED
switch
conductor(s)

21: Measuring all 4 batteries in series gives a voltage of

1.5
3
6
9

22: On the LED case, the flat on the skirt is generally the

cathode
anode
diode
heptode

23: The entire flashlight is insulated using

fiberglass pc board
battery clips
pushbutton switch
shrink sleeving

24: The current through the LED is approximately

7 milliamperes (mA)
70 mA
700 mA
7 amperes

25: If the meter has digits but does not measure, the most probable defect is a

bad battery
open test leads
shorted integrated circuit
blown fuse

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