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.
What is the approximate maximum distance along the Earth's surface that is normally covered in one hop using the E region?
Which of the following must a person have before they can be an administering VE for a Technician Class license examination?
Why is the polarity of applied voltages important for polarized capacitors?
How close to the lower edge of the 40-meter General Class phone segment should your displayed carrier frequency be when using 3 kHz wide LSB?
Why is a time delay sometimes included in a transmitter keying circuit?
What types of messages for a third party in another country may be transmitted by an amateur station?
When is it permissible to communicate with amateur stations in countries outside the areas administered by the Federal Communications Commission?
What is the modulation envelope of an AM signal?
Which of the following is a limitation on transmitter power on the 28 MHz band for a General Class control operator?
If a receiver mixes a 13.800 MHz VFO with a 14.255 MHz received signal to produce a 455 kHz intermediate frequency (IF) signal, what type of interference will a 13.345 MHz signal produce in the receiver?
Which of the following is an advantage of a receiver DSP IF filter as compared to an analog filter?
Which of the following components should be added to an inductor to increase the inductance?
When may the FCC restrict normal frequency operations of amateur stations participating in RACES?
What is one disadvantage of using a shortened mobile antenna as opposed to a full size antenna?
What must you do if an evaluation of your station shows RF energy radiated from your station exceeds permissible limits?
How many states does a 3-bit binary counter have?
What should be done by any person preparing to climb a tower that supports electrically powered devices?
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?
When may music be transmitted by an amateur station?
Which of the following is an advantage of using a gamma match for impedance matching of a Yagi antenna to 50 ohm coax feed line?
Which of the following devices can be used for impedance matching at radio frequencies?
Which of the following digital modes is designed to operate at extremely low signal strength on the HF bands?
What makes HF scatter signals often sound distorted?
What is meant by the term ROM?
What is meant by the term "software defined radio" (SDR)?
What portion of the AC cycle is converted to DC by a half-wave rectifier?
Which of the following instruments may be used to monitor relative RF output when making antenna and transmitter adjustments?
At what height above ground is an NVIS antenna typically installed?
Which of the following frequencies is in the General Class portion of the 40-meter band?
What is the most common frequency shift for RTTY emissions in the amateur HF bands?
What standing wave ratio will result when connecting a 50 ohm feed line to an antenna that has a purely resistive 300 ohm feed point impedance?
What is the approximate length for a 1/4 wave vertical antenna cut for 28.5 MHz?
Which of the following statements is true of voice VOX operation versus PTT operation?
What does the Q signal "QSL" mean?
How are radio communications usually affected by the charged particles that reach the Earth from solar coronal holes?