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CIE-1 Quiz 9

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1: Taking a small signal and make it larger is called

differentiation
integration
oscillation
amplification

2: Transistors can be made to amplify

voltage and current only
voltage, current, and power
current and power only
voltage and power only

3: The voltage gain of a typical transistor radio prior to the power amplifier is about

32
100
1E3
1E6

4: Small inexpensive transistor radios have about ____-____ transistors

1-3
3-6
6-12
12-24

5: An oscillator

produces a signal all on its own
amplifies an existing signal
does not need a power source
is rarely used in electronics

6: In electronics we can use ____________ to make an oscillator

resistors alone
capacitors alone
inductors alone
capacitors and inductors

7: We can also use __________ to make an oscillator

resistors alone
resistors and capacitors
capacitors alone
inductors alone

8: Any oscillator needs an ____________ to give the circuit a little "kick" to keep it oscillating

inductor
capacitor
amplifier
detector

9: The first transatlantic radio signals were heard in

Cornwall
London
New York
Newfoundland

10: The person at the receiving end was

Fleming
Marconi
Oersted
Watt

11: The person at the transmitting end was

Fleming
Marconi
Oersted
Watt

12: The transatlantic communication took place

dawn
around noon
around midnight
dusk

13: The transmission consisted of

The Lord's Prayer
Mary Had A Little Lamb
A call for help
the single letter "s"

14: Another person who later used the receiving site was

Wrong Way Corrigan
Charles Lindbergh
General Eisenhower
Teddy Roosevelt

15: The radio transmitter was located in

Cornwall
London
New York
Newfoundland

16: During the day, radio waves can bounce off of these layers

A, B, C
D, E, F
E, F, G
F, G, H

17: These layers are caused by

the sun interacting with the ionosphere
the sun interacting with the stratosphere
the sun interacting with the troposphere
the sun interacting with the atmosphere

18: What frequency did Marconi THINK he was using

4 MHz.
2 MHz
800 kHz
455 kHz

19: What frequency is more probably what Marconi heard

4 MHz
2 MHz
800 kHz
455 kHz

20: When is the next peak of solar activity and how strong is it likely to be

2011, weak
2011, strong
2013, weak
2013, strong

21: The game in lab 9 is called the

resist
react
renew
refresh

22: Of all the parts of the game, this is your first introduction to

zener diode
light emitting diode
microcontroller
current limiting resistor

23: The programmer used this to help write the computer code

read only memory
random access memory
flash memory
flow chart

24: The game uses a ____________ on which to mount the parts

printed circuit board
soldering iron stand
"third hand" clips
prototype board

25: This is used to prevent the PIC from being installed incorrectly

color coding
dot or notch
one lead longer than the rest
cathode stripe at one end

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