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.
What will happen to the resistance if the temperature of a resistor is increased?
What is an advantage of a digital voltmeter as compared to an analog voltmeter?
Which of the following is an application for a Beverage antenna?
Why do most amateur stations use lower sideband on the 160-meter, 75-meter and 40-meter bands?
Which of the following components should be added to an existing resistor to increase the resistance?
What is the purpose of a corona ball on a HF mobile antenna?
What is meant by the term flat-topping when referring to a single sideband phone transmission?
What types of messages for a third party in another country may be transmitted by an amateur station?
Which of the following is a common way to adjust the feed point impedance of a quarter wave ground plane vertical antenna to be approximately 50 ohms?
How many watts are dissipated when a current of 7.0 milliamperes flows through 1.25 kilohms resistance?
Which of the following describes one method of impedance matching between two AC circuits?
Where is an S meter found?
When is an amateur station permitted to transmit secret codes?
What is the stage in a VHF FM transmitter that generates a harmonic of a lower frequency signal to reach the desired operating frequency?
What is meant by the term MMIC?
Which of the following is a way to establish contact with a digital messaging system gateway station?
In what units is RF feed line loss usually expressed?
What does the Q signal "QRV" mean?
What reading on the plate current meter of a vacuum tube RF power amplifier indicates correct adjustment of the plate tuning control?
What usually happens to radio waves with frequencies below the MUF and above the LUF when they are sent into the ionosphere?
What is a geomagnetic storm?
Which of the following amateur bands is restricted to communication on only specific channels, rather than frequency ranges?
How does the gain of two 3-element horizontally polarized Yagi antennas spaced vertically 1/2 wavelength apart typically compare to the gain of a single 3-element Yagi?
What determines the frequency of an LC oscillator?
What does "time averaging" mean in reference to RF radiation exposure?
Which of the following can perform automatic notching of interfering carriers?
What circuit is used to combine signals from the IF amplifier and BFO and send the result to the AF amplifier in some single sideband receivers?
Why is the F2 region mainly responsible for the longest distance radio wave propagation?
Why must the metal enclosure of every item of station equipment be grounded?
Which type of code is used for sending characters in a PSK31 signal?
What portion of the AC cycle is converted to DC by a full-wave rectifier?
What skills learned during hidden transmitter hunts are of help to the Amateur Auxiliary?
Which of the following must a person have before they can be an administering VE for a Technician Class license examination?
What is a practical way to avoid harmful interference on an apparently clear frequency before calling CQ on CW or phone?
Which of the following is a limitation on transmitter power on the 28 MHz band for a General Class control operator?