Aha Trivia Stuff Everyone Should Know
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Which of these is a welding energy source?

An electric arc.

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  1. A candle flame only
  2. An electric arc ✔
  3. A rubber band

Why: Welding can use many energy sources, including an electric arc, a gas flame, a laser, and friction.

Huh, didn't know that: Welding can use many energy sources, including an electric arc, a gas flame, a laser, and friction.

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That arc has a spark of genius!
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References

Answer: An electric arc. Welding can use many energy sources, including an electric arc, a gas flame, a laser, and friction.

  1. Welding en.wikipedia.org/wiki/Welding
    Many different energy sources can be used for welding, including a gas flame (chemical), an electric arc (electrical)
    Checked 2026-11-07.

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