Comment on Virgin Physicists

• lemming741@lemmy.world ⁨3⁩ ⁨days⁩ ago

  That’s why I keep a spool of 20 AWG nichrome on hand. Spool off 9.7195853528209 feet and it’ll be bang on.

  source

  • Lv_InSaNe_vL@lemmy.world ⁨3⁩ ⁨days⁩ ago

    So 1 inch of your wire would weigh ~0.0987 grams, so to measure down to 8.6350242338508 inches of wire your scale would need to weigh down to ~0.00000000000007 grams. Which is the weight of about a dozen atoms or so.

    source

    • lemming741@lemmy.world ⁨3⁩ ⁨days⁩ ago

      Yeah which is why you use a Kibble balance. Are you sure you’re cut out for this kind of work?

      source

      • Lv_InSaNe_vL@lemmy.world ⁨3⁩ ⁨days⁩ ago

        I’m not a scientist, I’m just in IT haha

        I figured there was a way to measure that small of weight but I didn’t know!

        source

        • -> View More Comments
  • Opisek@lemmy.world ⁨3⁩ ⁨days⁩ ago

    We move onto the next issue. How to precisely measure the amount of wire?

    source

    • ZombiFrancis@sh.itjust.works ⁨3⁩ ⁨days⁩ ago

      Eyeball it. Gotta squint right tho.

      source
    • lemming741@lemmy.world ⁨3⁩ ⁨days⁩ ago

      If you trust the gauging, you weigh it.

      source
    • interdimensionalmeme@lemmy.ml ⁨3⁩ ⁨days⁩ ago

      With a 6 digit voltmeter

      source
    • piecat@lemmy.world ⁨3⁩ ⁨days⁩ ago

      With an ohm meter?

      source
• duckythescientist@sh.itjust.works ⁨3⁩ ⁨days⁩ ago

  I’ve actually found 1% to be a lot more common nowadays.

  source
• WolfLink@sh.itjust.works ⁨3⁩ ⁨days⁩ ago

  Grab a box full and test a bunch until you find one that works well for your use case. That way you end up with a resistor that’s much better than the rated tolerance you’d get if you just grabbed one resistor at random.

  source