How to make a battery with spare change!!

Gather the following materials:
1. Cardboard sheet
2. vinegar
3.copper coins
4.Sandpaper
5. Duct tape
6. Wire

Simple thing to do first is to polish the surface of the coins with the sand paper,polishing coins
now the coins are nice and shiny we now need to soak the cardboard in vinegar.
soaking the cardboard
Now arrange the coins and cardboard in folowing order [coin cardboard coin….cardboard][the two ends should hav a opposite terminals i.e. coin and cardboard compulsorily]. connect both terminals with alluminium foil for better conduction.
now tape all the stuff with duct tape wire connected to both coins.

If you did this right you should be able to produce about 3-4V of EMF.

simple right for more of these fun experiments follow our site 😀

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