AhaBulbStuff Everyone Should Know
AhaBulb: Stuff Everyone Should Know · ahabulb.com/ham-battery-short-hazard

What hazard can come from shorting an unprotected 12-volt battery?

Start playing free

  1. Burns, fire, or an explosion
  2. Shock from touching both terminals
  3. Poison gas from nearby RF

🔒 The answer is for AhaBulb members. Members see the answer, why it's right and the official sources for every card of Stuff Every Ham Radio Operator Should Know, plus timed practice exams.

The first 50 cards of every test are free to play.

Play the free cards See membership

Like this card?
Play the game

References

  1. NCVEC 2026-2030 Technician Question Pool www.ncvec.org/downloads/2026-2030%20Technician%20Pool%20and%20Syllabus%20Public%20Release%20Feb%2019%202026.pdf Checked 2026-10-09.

Think this answer is wrong? Tap "Challenge this answer" on the card in the game and tell us why.

Test yourself in the game

Ham RadioWhich agency makes and enforces the rules for amateur radio in the United States?Ham RadioWhich of these is prohibited for amateur radio operators?Ham RadioWhere can a Technician use voice (phone) on the 10-meter band?

That's stuff everyone should know.