Quiz #12: What does 50 Hz mean?
50 Hz = the AC current changes direction back and forth 50 full cycles every second (60 Hz in the USA, Canada).
QUIZ ⚡ Your socket says 50 Hz. What does it mean?
A) 50 volts B) 50 cycles a second C) 50 amps D) Half power
Answer: B ✅
AC current flows forward, then back — that's ONE cycle. 🔄
50 of those every second = 50 hertz (Hz). (So the current changes direction 100 times a second!)
🌍 230 V · 50 Hz: India, UK, Europe and most of the world
🌎 120 V · 60 Hz: USA, Canada
Next quiz: two 1.5 V batteries — how do you get 3 V? Comment your answer! 👇
Want the details? Lessons on learn.pablochtech.com
Read the voiceover (transcript)
- What does fifty hertz really mean?
- Fifty volts? Fifty cycles a second? Fifty amps? Half power?
- It's B!
- The current flows forward, then back: that's one cycle.
- Fifty of those every second. That's fifty hertz!
- In the US and Canada, it's sixty hertz.
- Next quiz: two batteries, three volts? Comment your answer!
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