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Bookmark or Share- Current flow in batteries? - Electrical Engineering Stack ExchangeWhen you add a wire between the ends of the batteries, electrons can pass through the wire, driven by the voltage. This reduces the electrostatic force, so ions can pass through the electrolyte. As the battery is discharged, ions move from one electrode to the other, and the chemical reaction proceeds until one of the electrodes is used up.
- What is an electrode? - Electrical Engineering Stack ExchangeIt uses two electrodes to detect the presence of water. Electrostimulation therapy uses electrodes (often with adhesive). A Van de Graaff generator is an electrode. A ground rod is an electrode (as is the cold water pipe and building steel). It could be argued that an antenna is an electrode (although no one calls them that).
- Common vs. ground - Electrical Engineering Stack ExchangeI've been trained to use the word ground and the ground symbol to refer to the earth, the dirt on which we stand. Circuit common is considered to be a separate concept, with the symbol . My
- interconnect - Electrical Engineering Stack ExchangeI want to prepare graphite electrodes for electrolytic experiments. I am therefore looking for good ideas on how to get very intimate, long term stable and low resistance connection between the
- amplifier - How does a driven right leg work? - Electrical Engineering ...Connecting the electrode directly to the common is undesirable for two reasons. 1) If the circuit is not isolated, dangerous currents could flow through the third electrode. 2) A poor electrode contact may present up to 100 k \$\Omega\$ of resistance between the patient and the common. The most common and effective use of the third electrode is ...
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