Practice Exam

G4E09

1. What is the approximate open-circuit voltage from a fully illuminated silicon photovoltaic cell?

• A. 0.2 VDC
• B. 0.02 VDC
• C. 1.38 VDC
• D. 0.5 VDC

G5C03

2. Which of the following components increases the total resistance of a resistor?

• A. A parallel resistor
• B. A parallel capacitor
• C. A series capacitor
• D. A series resistor

G4A05

3. What is a reason to use Automatic Level Control (ALC) with an RF power amplifier?

• A. To balance the transmitter audio frequency response
• B. To reduce harmonic radiation
• C. To increase overall efficiency
• D. To reduce distortion due to excessive drive

G2A01

4. Which sideband is most commonly used for voice communications on frequencies of 14 MHz or higher?

• A. Double sideband
• B. Upper sideband
• C. Lower sideband
• D. Vestigial sideband

G5A03

5. Which of the following causes opposition to the flow of alternating current in an inductor?

• A. Reluctance
• B. Conductance
• C. Reactance
• D. Admittance

G5B08

6. What is the peak-to-peak voltage of a sine wave with an RMS voltage of 120.0 volts?

• A. 339.4 volts
• B. 84.8 volts
• C. 240.0 volts
• D. 169.7 volts

G7B07

7. Which of the following are basic components of a sine wave oscillator?

• A. A circulator and a filter operating in a feed-forward loop
• B. A frequency multiplier and a mixer
• C. An amplifier and a divider
• D. A filter and an amplifier operating in a feedback loop

G8C10

8. How does forward error correction (FEC) allow the receiver to correct errors in received data packets?

• A. By using a parity bit with each character
• B. By transmitting redundant information with the data
• C. By controlling transmitter output power for optimum signal strength
• D. By using the Varicode character set

G1A09

9. Which of the following frequencies is within the General class portion of the 15-meter band?

• A. 18155 kHz
• B. 21300 kHz
• C. 14250 kHz
• D. 24900 kHz

G3B11

10. What happens to HF propagation when the LUF exceeds the MUF?

• A. Double hop propagation along the path is more common
• B. No HF radio frequency will support ordinary skywave communications over the path
• C. Propagation over the path on all HF frequencies is enhanced
• D. HF communications over the path are enhanced

G1B09

11. On what HF frequencies are automatically controlled beacons permitted?

• A. On any frequency if power is less than 1 watt
• B. On any frequency if transmissions are in Morse code
• C. 21.08 MHz to 21.09 MHz
• D. 28.20 MHz to 28.30 MHz

G1D11

12. What is required to obtain a new General Class license after a previously-held license has expired and the two-year grace period has passed?

• A. The applicant must be able to produce a copy of a page from a call book published in the U.S. showing his or her name and address
• B. The applicant must pass the current Element 2 exam
• C. They must have a letter from the FCC showing they once held an amateur or commercial license
• D. There are no requirements other than being able to show a copy of the expired license

G9A04

13. What might cause reflected power at the point where a feed line connects to an antenna?

• A. A difference between feed-line impedance and antenna feed-point impedance
• B. Operating an antenna at its resonant frequency
• C. Using more transmitter power than the antenna can handle
• D. Feeding the antenna with unbalanced feed line

G2B10

14. When is an amateur station allowed to use any means at its disposal to assist another station in distress?

• A. Only on authorized HF frequencies
• B. At any time during an actual emergency
• C. Only when transmitting in RACES
• D. At any time when transmitting in an organized net

G9C07

15. What does "front-to-back ratio" mean in reference to a Yagi antenna?

• A. The ratio of forward gain to dipole gain
• B. The relative position of the driven element with respect to the reflectors and directors
• C. The number of directors versus the number of reflectors
• D. The power radiated in the major radiation lobe compared to that in the opposite direction

G8A09

16. What type of modulation is used by the FT8 digital mode?

• A. Amplitude compressed AM
• B. Direct sequence spread spectrum
• C. Vestigial sideband
• D. 8-tone frequency shift keying

G0B11

17. Which of the following is good practice for lightning protection grounds?

• A. They must be bonded to all buried water and gas lines
• B. They must be bonded together with all other grounds
• C. Bends in ground wires must be made as close as possible to a right angle
• D. Lightning grounds must be connected to all ungrounded wiring

G2C10

18. What does the Q signal "QRN" mean?

• A. Stop sending
• B. I am troubled by static
• C. Zero beat my signal
• D. Send more slowly

G7C14

19. The bandwidth of a band-pass filter is measured between what two frequencies?

• A. Image and harmonic
• B. Upper and lower half-power
• C. Cutoff and rolloff
• D. Pole and zero

G4B09

20. Which of the following can be determined with a field strength meter?

• A. The presence and amount of phase distortion of a transmitter
• B. The presence and amount of amplitude distortion of a transmitter
• C. The radiation resistance of an antenna
• D. The radiation pattern of an antenna

G8B06

21. What is the total bandwidth of an FM phone transmission having 5 kHz deviation and 3 kHz modulating frequency?

• A. 5 kHz
• B. 16 kHz
• C. 8 kHz
• D. 3 kHz

G3A09

22. What benefit can high geomagnetic activity have on radio communications?

• A. Higher signal strength for HF signals passing through the polar regions
• B. Auroras that can reflect VHF signals
• C. Reduced long delayed echoes
• D. Improved HF long path propagation

G4C04

23. What is the effect on an audio device when there is interference from a nearby CW transmitter?

• A. Severely distorted audio
• B. A chirpy CW signal
• C. A CW signal at a nearly pure audio frequency
• D. On-and-off humming or clicking

G7A07

24. What is the output waveform of an unfiltered full-wave rectifier connected to a resistive load?

• A. A sine wave at half the frequency of the AC input
• B. A series of DC pulses at twice the frequency of the AC input
• C. A series of DC pulses at the same frequency as the AC input
• D. A steady DC voltage

G1E04

25. Which of the following conditions require a licensed Amateur Radio operator to take specific steps to avoid harmful interference to other users or facilities?

• A. When a station is transmitting spread spectrum emissions
• B. All these choices are correct
• C. When using a band where the Amateur Service is secondary
• D. When operating within one mile of an FCC Monitoring Station

G6A09

26. Which of the following describes the construction of a MOSFET?

• A. The gate is separated from the channel with a thin insulating layer
• B. The source is formed by depositing metal on silicon
• C. The source is separated from the drain by a thin insulating layer
• D. The gate is formed by a back-biased junction

G9B01

27. What is one disadvantage of a directly fed random-wire HF antenna?

• A. It is more effective on the lower HF bands than on the higher bands
• B. You may experience RF burns when touching metal objects in your station
• C. It produces only vertically polarized radiation
• D. It must be longer than 1 wavelength

G2E10

28. Which of the following is a way to establish contact with a digital messaging system gateway station?

• A. Transmit a connect message on the station's published frequency
• B. Respond when the station broadcasts its SSID
• C. Send QRL in Morse code
• D. Send an email to the system control operator

G0A03

29. How can you determine that your station complies with FCC RF exposure regulations?

• A. By calculation based on computer modeling
• B. By measurement of field strength using calibrated equipment
• C. By calculation based on FCC OET Bulletin 65
• D. All these choices are correct

G6B02

30. What is meant by the term MMIC?

• A. Monolithic Microwave Integrated Circuit
• B. Mode Modulated Integrated Circuit
• C. Military Manufactured Integrated Circuit
• D. Multi-Megabyte Integrated Circuit

G2D07

31. Which of the following are examples of the NATO Phonetic Alphabet?

• A. America, Boston, Canada, Denmark
• B. Adam, Boy, Charles, David
• C. Able, Baker, Charlie, Dog
• D. Alpha, Bravo, Charlie, Delta

G4D07

32. How much must the power output of a transmitter be raised to change the S meter reading on a distant receiver from S8 to S9?

• A. Approximately 2 times
• B. Approximately 4 times
• C. Approximately 1.5 times
• D. Approximately 8 times

G1C11

33. What is the maximum symbol rate permitted for RTTY or data emission transmissions on the 2-meter band?

• A. 300 baud
• B. 56 kilobaud
• C. 19.6 kilobaud
• D. 1200 baud

G3C06

34. What is a characteristic of HF scatter?

• A. There are very large, sudden swings in signal strength
• B. Scatter propagation occurs only at night
• C. Phone signals have high intelligibility
• D. Signals have a fluttering sound

G9D04

35. What is the primary purpose of antenna traps?

• A. To prevent out-of-band operation
• B. To notch spurious frequencies
• C. To provide balanced feed-point impedance
• D. To permit multiband operation