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- FCC Novice Exam Question Pool. Subelement 2E.
- Electrical Principals. 4 Questions.
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- One (1) question must be from the following:
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- 2E 1.1 A
- Electrons will flow in a copper wire when its two
- ends are connected to what kind of source?
-
- A. Electromotive or Voltage.
- B. Donor.
- C. Reactive.
- D. Resistive.
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- 2E 1.2 D
- The pressure in a water pipe is comparable to what
- force in an electrical circuit?
-
- A. Current.
- B. Resistive.
- C. Gravitational.
- D. Voltage.
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- 2E 1.3 C
- What are the two polarities of a voltage?
-
- A. Right-Hand and Left-Hand.
- B. Forward and Reverse.
- C. Positive and Negative.
- D. Clockwise and Counterclockwise.
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- 2E 2.2 B
- What type of current changes direction over and over
- again in a cyclical manner?
-
- A. Direct Current.
- B. Alternating Current.
- C. Negative Current.
- D. Positive Current.
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- 2E 2.3 C
- What is a type of electrical current called
- that does not periodically reverse direction?
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- A. Alternating Current.
- B. Periodic Current.
- C. Direct Current.
- D. Positive Current.
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- 2E 3.1 A
- List at least four good electrical insulating materials.
-
- A. Glass, Air, Plastic, Porcelain.
- B. Glass, Wood, Copper, Porcelain.
- C. Paper, Glass, Air, Aluminum.
- D. Plastic, Rubber, Wood, Carbon.
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- 2E 3.2 C
- List at least three good electrical conductors.
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- A. Copper, Gold, Mica.
- B. Gold, Silver, Wood.
- C. Gold, Silver, Aluminum.
- D. Copper, Aluminum, Paper.
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- 2E 3.3 C
- What is the term for the lowest voltage that will
- cause current in an insulator?
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- A. Avalanche Voltage.
- B. Plate Voltage.
- C. Breakdown Voltage.
- D. Zener Voltage.
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- One (1) question must be from the following:
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- 2E 4.1 D
- What is the term for a failure in an electrical circuit
- that causes excessively high current?
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- A. Open Circuit.
- B. Dead Circuit.
- C. Closed Circuit.
- D. Short Circuit.
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- 2E 4.2 C
- What is the term for an electrical circuit
- in which there can be no current flow?
-
- A. A Closed Circuit.
- B. A Short Circuit.
- C. An Open Circuit.
- D. A Hyper Circuit.
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- 2E 5.1 A
- What is consumed when a voltage is applied to a circuit
- causing an electrical current to flow?
-
- A. Energy.
- B. Volts.
- C. Amps.
- D. Electrons.
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- 2E 6.1 B
- What is the approximate length, in meters, of a
- radio wave having a frequency of 3.725 MHz.?
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- A. 160 meters.
- B. 80 meters.
- C. 40 meters.
- D. 30 meters.
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- 2E 6.2 A
- What is the relationship between frequency and wavelength?
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- A. As frequency increases, wavelength decreases.
- B. As frequency increases, wavelength increases.
- C. Frequency and wavelength are not related.
- D. As frequency decreases, wavelength decreases.
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- 2E 6.3 C
- What is the approximate length, in meters, of a
- radio wave having a frequency of 21.120 MHz.?
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- A. 80 meters.
- B. 40 meters.
- C. 15 meters.
- D. 10 meters.
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- 2E 7.1 A
- What is the difference between radio frequencies
- and audio frequencies?
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- A. Audio frequencies are those below 20,000 Hz.,
- and Radio frequencies are those above 20,000 Hz.
- B. Audio frequencies are those below 50,000 Hz.,
- and Radio frequencies are those above 50,000 Hz.
- C. Audio frequencies are those below 10,000 Hz.,
- and Radio frequencies are those above 10,000 Hz.
- D. Audio frequencies are those above 20,000 Hz.,
- and Radio frequencies are those below 20,000 Hz.
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- 2E 7.2 D
- What type of frequency is 3,500,000 Hertz?
-
- A. An Audio Frequency.
- B. A Microwave Frequency.
- C. An Intermediate Frequency.
- D. A Radio Frequency.
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- 2E 7.3 C
- Radio frequencies are those above what frequency?
-
- A. 20 Hz.
- B. 2000 Hz.
- C. 20,000 Hz.
- D. 2,000,000 Hz.
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-
- One (1) question must be from the following:
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- 2E 8.1 A
- What type of frequency is 350 Hz.?
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- A. An Audio frequency.
- B. A Microwave frequency.
- C. An Intermediate frequency.
- D. A Radio frequency.
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- 2E 8.2 D
- Audio frequencies are those below what frequency?
-
- A. 10 Hz.
- B. 20 Hz.
- C. 10,000 Hz.
- D. 20,000 Hz.
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- 2E 8.3 A
- What type of frequency is 3,500 Hertz?
-
- A. Audio frequency.
- B. Radio frequency.
- C. Hyper frequency.
- D. Super High frequency.
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- 2E 9.1 B
- What is the unit of Electromotive Force?
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- A. Ampere.
- B. Volt.
- C. Ohm.
- D. Watt.
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- 2E 10.1 C
- What is the unit of Electrical Current?
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- A. Volt.
- B. Watt.
- C. Ampere.
- D. Ohm.
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- 2E 11.1 B
- What is the unit of Electrical Power?
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- A. Ohm.
- B. Watt.
- C. Volt.
- D. Ampere.
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- 2E 12.1 C
- What is a HERTZ?
-
- A. A unit of measure of Current.
- B. A unit of measure of Capacitance.
- C. A unit of measure of Frequency.
- D. A unit of measure of Power.
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- 2E 12.2 A
- What is another popular term for HERTZ?
-
- A. Cycles per Second.
- B. Frequency per Wavelength.
- C. Wavelength per Cycle.
- D. Meters per Frequency.
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-
- One (1) question must be from the following:
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- 2E 13.1 A
- A frequency of 40,000 Hertz is equal to how many kilohertz?
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- A. 40
- B. 4
- C. 400
- D. 0.04
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- 2E 13.2 C
- A current of 20 millionths of an ampere is
- equal to how many microamperes?
-
- A. 0.2
- B. 2
- C. 20
- D. 200
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- 2E 13.3 C
- A current of 2000 milliamperes is equivalent
- to how many amperes?
-
- A. 0.002
- B. 0.2
- C. 2
- D. 2000
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- 2E 13.4 A
- What do the prefixes MEGA- and CENTI- mean?
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- A. 1,000,000 and 0.01
- B. 1,000,000 and 1,000,000,000
- C. 0.000,001 and 0.001
- D. 0.000,001 and 0.000,000,000,001
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- 2E 13.5 D
- What do the prefixes MICRO- and PICO- mean?
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- A. 1,000,000 and 1,000
- B. 1,000,000 and 1,000,000,000
- C. 0.000,001 and 0.001
- D. 0.000,001 and 0.000,000,000,001
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- 2E 13.6 A
- Your receiver dial is calibrated in Megahertz and
- shows a signal at 1200 MHz. At what frequency would
- a dial calibrated in Gigahertz show the signal?
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- A. 1.2 GHz.
- B. 12 GHz.
- C. 120 GHz.
- D. 1200 GHz.
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- 2E 13.7 D
- Your receiver dial is calibrated in Gigahertz and
- shows a signal at 1.27 GHz. At what frequency would
- a dial calibrated in Megahertz show the signal?
-
- A. 1.27 MHz.
- B. 12.7 MHz.
- C. 127 MHz.
- D. 1270 MHz.
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- 2E 13.8 D
- Your receiver dial is calibrated in Megahertz and
- shows a signal at 223.9 MHz. At what frequency would
- a dial calibrated in Kilohertz show the signal?
-
- A. 0.223 KHz.
- B. 2239 KHz.
- C. 22,390 KHz.
- D. 223,900 KHz.
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- End of Subelment 2E.
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