2006-12-15 08:08:01 · 3 answers · asked by Anonymous in Consumer Electronics ➔ Other - Electronics
They start with a cell. That's just a positive connector and a negative connector separated by a material capable of holding an electric charge.
Several cells placed in series, positive to negative, produce a battery of cells:
http://www.m-w.com/dictionary/battery
Although it's definition is given as #4, it comes from definition #5a, a set of similar items.
A cell usually provides 1.5V so you would need 6 cells to produce a 9V battery.
Some cells (lithium button cells) produce 3V.
Rechargeable cells usually produce 1.2V
2006-12-16 13:36:05 · answer #1 · answered by Rob K 6 · 0⤊ 0⤋
From potatoes, rechargeable potatoes are also available from any good seed merchant.
2006-12-16 09:57:07 · answer #2 · answered by ------------------ 4 · 0⤊ 0⤋
you get a potatoe, and stick some electrodes in it
2006-12-16 00:04:46 · answer #3 · answered by John S 4 · 0⤊ 0⤋