FCC Novice Exam Question Pool.   Subelement 2F.
 Circuit Components.     2 Questions.


  One (1) question must be from the following:
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2F 1.1   C

What is the general relationship between the thickness  of a
Quartz Crystal and its fundamental operating frequency?

 A. The thickness of a crystal does not
    affect operating frequency.
 B. Thinner crystals oscillate at lower frequencies.
 C. Thinner crystals oscillate at higher frequencies.
 D. Thicker crystals oscillate at higher frequencies.


2F 1.2   *
What is the schematic symbol for a Quartz Crystal?

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2F 1.3   B
What chief advantage does a crystal controlled transmitter
have over one controlled by a Variable Frequency Oscillator?

 A. The crystal controlled transmitter will not
    produce Key Clicks.
 B. The crystal controlled transmitter has better
    frequency stability.
 C. The crystal controlled transmitter does not
    need to be tuned.
 D. The crystal controlled transmitter can operate
    at a higher power output.


2F 2.1   C
What two internal components of a D'Arsonval Meter interact
to cause the indicating needle to move when current
flows through the meter?

 A. A diode and a capacitor.
 B. A transformer and a resistor.
 C. A coil of wire and a permanent magnet.
 D. A dipole and a balun.


2F 2.2   D
What does a Voltmeter measure?

 A. Resistance.
 B. Current.
 C. Power.
 D. Voltage.


  One (1) question must be from the following:
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2F 3.1   *
Draw the schematic diagram of a Triode vacuum tube
and label the elements.

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2F 3.2   *
Draw the schematic symbol of a Tetrode vacuum tube
and label the elements.

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2F 3.3   *
Draw the schematic symbol of a Pentode vacuum tube
and label the elements.

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2F 4.1   A
What device should be included in electronic equipment to
protect it from damage resulting from a short circuit?

 A. Fuse.
 B. Tube.
 C. Transformer.
 D. Filter.


2F 4.2   D
What happens to a fuse when an excessive amount
of current flows through it?

 A. The fuse explodes, the circuit is destroyed,
    the current increases.
 B. The fuse glows red or orange, the circuit shorts,
    the current increases.
 C. The fuse melts, the circuit shorts,
    the current increases.
 D. The metal conductor inside the fuse melts,
    the circuit opens, the current stops.


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 End of Subelement 2F.