Amateur Extra Practice Test: Full 2024-2028 Question Pool

Every question from the 2024-2028 Extra pool, word for word. The real exam is 50 of these, and you need 37 right. Top of the ladder: every band, every mode.

The real test: 50 questions, one from each group of the public pool, given by volunteer examiners. 37 right (74%) passes.

Passing score: Ham exam passing scores (26 of 35, Extra 37 of 50), and what comes next

Here: All 599 questions in the pool the real exam is drawn from (2024-2028 Amateur Extra Class (Element 4)). Daily study is free.

What's free: study rounds, flip cards, missed questions and the Pass Meter. Your first practice test is free too. After that, every practice test in Ham Ticket is $4.99, once. No subscription.

What's on the test

The exam takes one question from each group of the pool, so the count per topic is fixed.

10 sample questions

1. Why is it not legal to transmit a 3 kHz bandwidth USB signal with a carrier frequency of 14.348 MHz?

   • A.USB is not used on 20-meter phone
   • B.The lower 1 kHz of the signal is outside the 20-meter band
   • C.14.348 MHz is outside the 20-meter band
   • D.The upper 1 kHz of the signal is outside the 20-meter band
   Show answer

   D. The upper 1 kHz of the signal is outside the 20-meter band

   E1A01 · Commission Rules · 47 CFR 97.305, 97.307(b)

2. What is the direction of an ascending pass for an amateur satellite?

   • A.From west to east
   • B.From east to west
   • C.From south to north
   • D.From north to south
   Show answer

   C. From south to north

   E2A01 · Operating Procedures

3. What is the approximate maximum separation measured along the surface of the Earth between two stations communicating by EME?

   • A.2,000 miles, if the moon is at perigee
   • B.2,000 miles, if the moon is at apogee
   • C.5,000 miles, if the moon is at perigee
   • D.12,000 miles, if the moon is "visible" by both stations
   Show answer

   D. 12,000 miles, if the moon is "visible" by both stations

   E3A01 · Radio Wave Propagation

4. Which of the following limits the highest frequency signal that can be accurately displayed on a digital oscilloscope?

   • A.Sampling rate of the analog-to-digital converter
   • B.Analog-to-digital converter reference frequency
   • C.Q of the circuit
   • D.All these choices are correct
   Show answer

   A. Sampling rate of the analog-to-digital converter

   E4A01 · Amateur Practices

5. What can cause the voltage across reactances in a series RLC circuit to be higher than the voltage applied to the entire circuit?

   • A.Resonance
   • B.Capacitance
   • C.Low quality factor (Q)
   • D.Resistance
   Show answer

   A. Resonance

   E5A01 · Electrical Principles

6. In what application is gallium arsenide used as a semiconductor material?

   • A.In high-current rectifier circuits
   • B.In high-power audio circuits
   • C.In microwave circuits
   • D.In very low-frequency RF circuits
   Show answer

   C. In microwave circuits

   E6A01 · Circuit Components

7. Which circuit is bistable?

   • A.An AND gate
   • B.An OR gate
   • C.A flip-flop
   • D.A bipolar amplifier
   Show answer

   C. A flip-flop

   E7A01 · Practical Circuits

8. What technique shows that a square wave is made up of a sine wave and its odd harmonics?

   • A.Fourier analysis
   • B.Vector analysis
   • C.Numerical analysis
   • D.Differential analysis
   Show answer

   A. Fourier analysis

   E8A01 · Signals and Emissions

9. What is an isotropic radiator?

   • A.A calibrated, unidirectional antenna used to make precise antenna gain measurements
   • B.An omnidirectional, horizontally polarized, precisely calibrated antenna used to make field measurements of antenna gain
   • C.A hypothetical, lossless antenna having equal radiation intensity in all directions used as a reference for antenna gain
   • D.A spacecraft antenna used to direct signals toward Earth
   Show answer

   C. A hypothetical, lossless antenna having equal radiation intensity in all directions used as a reference for antenna gain

   E9A01 · Antennas and Transmission Lines

10. What is the primary function of an external earth connection or ground rod?

    • A.Prevent static build up on power lines
    • B.Lightning charge dissipation
    • C.Reduce RF current flow between pieces of equipment
    • D.Protect breaker panel from power surges
    Show answer

    B. Lightning charge dissipation

    E0A01 · Safety

What the study guide does

• Short study rounds and flip cards.
• A practice test built like the real one: 50 questions, 37 to pass (first one free, then $4.99 once).
• Pass Meter: your chance of passing if you sat the test today, worked out from your own answers.