International
This is video number 1 of 3 on this topic.
How to make a Primary Cell. Free electricity!
Copper electrode = Positive
Zinc electrode = - Negative
In video black wire is connected to copper but this has no effect on the performace of the cell, it merely shows a - negative sign in the meter. Switch the wires by putting the red wire on the copper and the black on the zinc if you don't want to see the - minus sign in the meter. Works just the same. Enjoy :)
Be sure to see my other videos on this topic!
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