Current Ham Radio Test Pools
Select the most correct answer for each question, then submit your practice test to check your score. This practice test randomly pulls one question from each topic in the General pool.
Which of the following can be adjusted to optimize forward gain, front-to-back ratio, or SWR bandwidth of a Yagi antenna?
Which of the following describes the construction of a MOSFET?
What does LUF stand for?
What determines the performance of a ferrite core at different frequencies?
Which of the following is a requirement for administering a Technician class license examination?
What is indicated on a waterfall display by one or more vertical lines on either side of a digital signal?
What technique helps to minimize RF "hot spots" in an amateur station?
How does a capacitor react to AC?
What is the relationship between transmitted symbol rate and bandwidth?
Which of the following best describes the radiation pattern of a quarter-wave, ground-plane vertical antenna?
Which of the following frequencies is within the General class portion of the 15-meter band?
What is a reason why many amateurs keep a station log?
What is the output PEP from a transmitter if an oscilloscope measures 500 volts peak-to-peak across a 50 ohm resistive load connected to the transmitter output?
What is the reason for neutralizing the final amplifier stage of a transmitter?
What is the modulation envelope of an AM signal?
What is the standard sideband used to generate a JT65, JT9, or FT8 digital signal when using AFSK in any amateur band?
What is the feed-point impedance of an end-fed half-wave antenna?
What is required to conduct communications with a digital station operating under automatic control outside the automatic control band segments?
What frequency range is occupied by a 3 kHz USB signal with the displayed carrier frequency set to 14.347 MHz?
What is an advantage of using I and Q signals in software-defined radios (SDRs)?
What is the turns ratio of a transformer used to match an audio amplifier having 600 ohm output impedance to a speaker having 4 ohm impedance?
What does the Q signal "QSL" mean?
When is an amateur station allowed to use any means at its disposal to assist another station in distress?
Who or what determines "good engineering and good amateur practice," as applied to the operation of an amateur station in all respects not covered by the Part 97 rules?
What problem can occur when making measurements on an antenna system with an antenna analyzer?
What is the approximate open-circuit voltage from a fully illuminated silicon photovoltaic cell?
Which of the following limitations apply to transmitter power on every amateur band?
How are radio communications usually affected by the charged particles that reach Earth from solar coronal holes?
Which symbol in figure G7-1 represents an NPN junction transistor?
What might cause reflected power at the point where a feed line connects to an antenna?
Which sideband is most commonly used for voice communications on frequencies of 14 MHz or higher?
Why are HF scatter signals in the skip zone usually weak?
What is one advantage of selecting the opposite, or "reverse," sideband when receiving CW signals on a typical HF transceiver?
Which wire or wires in a four-conductor connection should be attached to fuses or circuit breakers in a device operated from a 240 VAC single phase source?
What type of instrument can be used to accurately measure an RF field?