Make a Water Bottle Capacitor - Tech Tuesdays

The capacitor is one of the most common electronic components. You can find them in many circuits. You can make a capacitor out of only household supplies, and store small amounts of energy in them!

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[markuscoollife]

doesnt work...

[earthviz]

@markuscoollife It doesn't hold a lot of dc current. Try charging it with static electricity. Ideally a whimhurst generator... That's actually how these were charged in the 1800s. It was an early form of battery... Pretty cool I think.

[Thatgirlsguy1]

What about the last nail? Will this work with a can? Thanks

[TheyCallMeMikes1998]

@AndyTzan And did that work?

[exploshonz]

screw it tightly

[LtBartram]

It would work better if you added citric acid. Wouldn't it?

[freakin1random]

im just wondering....are you gay?

[TheJimmax]

Nice! its good to see a simple demonstration and well worded its not all about knowlage its how you present it . Thumbs up.

[AndyTzan]

Do you think perhaps the plastic bottle is letting the capacitor not charge that much?

I think ill try it in 2 ways : Plastic and then Glass.

Really nice video.

[glenjacobs423]

so basically the plastic here is the dielectric...

one plate being the salt-solution coupled with a nail...and the other being an aluminium foil and another nail ,right?

[legoclockfreak710]

@james5118 google search radioshack electronic learning lab

[TheLinwoodboy]

well done