Basic observations leading to homemade batteries
10274_Reverse_electrodes_polarity_.html
10276_Electrolyte_salt_test_.html
10282_The_battery_and_electromagnetism.html
10273_Electrolyte_test_pure_water_vs_vinegar_.html
10272_Battery_meter_galvanometer_.html
10275_Electrolyte_strong_acid_test_.html
10278_Electrolyte_temperature_test_.html
10279_Electrode_surface_area_test_.html
10277_Electrode_distance_test_.html
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