How to find positive and negative wires || The Insider

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In this video I will show you an easy method to find negative pole and positive pole of a DC power source

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Very simple. Just avoids needing a multimeter. Thanks.

taffythebun

Thanks, I didn’t know it was that simple! Brilliant

michaelj

Brilliant idea, those bubbles must be hydrogen gas, hydrogen ions are positive which is why they are attracted to the negative pole where they receive electrons and form independent gas molecule and ris up in form of bubbles!

birdwatchingwithdrrajasaur

I know this is 3 years old, but THANK YOU! Much needed info.

jamesruse

Omg ir WORKED! I was nervous but it actually frigging worked! Thank you!!

jenniferrose

omg this saved our science olympic group!!

jennyzhang

KISS rule applyed ! :)) " Keep It Short and Simple " .. nice video !

pici

Your method might work but I'm worried for your safety.

michaeldevlin

that was awesome....easy confirmation..thanks for sharing this simple method

adamcowel

That is such a simple way to know the +/- poles! Thank you!

MrRttan

That's an awesome technique thanks but I'm wondering how do I tell that with the wires coming out of my motor because they're both white and aluminum?

chrislowe

I hve being delaying my project just because I couldn’t find the positive and negative wire of my Ac DC adapter but you made it Very Simple ... Thnx for sharing... you hve gained another Subscriber....👍

sheelkant

it can be to apply or use it in 220v wire weather stranded or not sir? or only in ac adapter sorry sir im a newbie here im no electrician or have a background knowledge in electronics

emersonibisate