Table 21.1 Voltages of Some Voltaic Cells
voltaic cell
voltage (V)
common alkaline battery
lead-acid car battery (6 cells = 12V)
calculator battery (mercury)
electric eel (~5000 cells in 6-ft eel = 750V)
nerve of giant squid (across cell membrane)
2.0
1.5
1.3
0.15
0.070
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