Studying for the exam

Technician exam, explained

Short videos for the topics people find hardest on the 2026–2030 Technician exam, one idea at a time. Each one opens on a real exam question and answers it at the end, and its page lists every question it covers.

1. 1

   Watts: volts times amps, in your head

   6 questions · Watch (2 min) on YouTube, opens in a new tab

2. 2

   Ohm’s law: one triangle for every question

   12 questions · Watch (3 min) on YouTube, opens in a new tab

3. 3

   Milli, kilo, mega: move the decimal point

   Watch (3 min) on YouTube, opens in a new tab

4. 4

   Wavelength: why 2 meters is called 2 meters

   10 questions · Watch (3 min) on YouTube, opens in a new tab

5. 5

   Antenna length: why a 2-meter whip is 19 inches

   7 questions · Watch (3 min) on YouTube, opens in a new tab

6. 6

   SWR explained: why a perfect match reads 1:1

   12 questions · Watch (3 min) on YouTube, opens in a new tab

7. 7

   Coax loss: where your lost power goes

   13 questions · Watch (4 min) on YouTube, opens in a new tab

The whole series on YouTube, in question-pool order. More topics are on the way.