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A lemon battery is a simple battery often made for the purpose of education. Typically, a piece of zinc metal (such as a galvanized nail) and a piece of copper (such as a penny) are inserted into a lemon and connected by wires.
The lemon, like many other cultivated Citrus species, is a hybrid, in its case of the citron and the bitter orange. [5] [6] The lemon is a hybrid of the citron and the bitter orange. [6] Taxonomic illustration by Franz Eugen Köhler, 1897 . Lemons were most likely first grown in northeast India. [7] The origin of the word lemon may be Middle ...
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I assembled 4 cells, alternating washer, paper, copper, and stacked them together into a battery, being careful not to let the paper short circuit the cells. I placed some pieces of cedar shim on the top and bottom of the stack and clamped the whole assembly together tightly. I tested the battery with a yellow LED in series with a 66 ohm resistor.
Lemon battery cell (made with copper and zinc electrodes) [15] N/A 10 0: 0-3 V Magnitudes of standard reduction potentials in chemistry [16] 1.5 V Alkaline battery AAAA, AAA, AA, C or D battery [17] 3.3 V One of the most common low voltage CMOS digital circuit supply voltages. 5 V USB power, used for example to charge a cell phone or a digital ...