Basic Electrical Theory METHODS OF PRODUCING VOLTAGE (ELECTRICITY)METHODS OF PRODUCING VOLTAGE (ELECTRICITY)This section provides information on the following methods of producingelectricity:ElectrochemistryStatic (friction)Induction (magnetism)Piezoelectric (pressure)Thermal (heat)LightThermionic emissionEO 1.5 DESCRIBE how the following methods produce a voltage:a. Electrochemistryb. Static electricityc. Magnetic inductiond. Piezoelectric effecte. Thermoelectricityf. Photoelectric effectg. Thermionic emissionElectrochemistryChemicals can be combined with certain metals to cause a chemical reaction that will transferelectrons to produce electrical energy. This process works on the electrochemistry principle.One example of this principle is the voltaic chemical cell, shown in Figure 11. A chemicalreaction produces and maintains opposite charges on two dissimilar metals that serve as thepositive and negative terminals. The metals are in contact with an electrolyte solution.Connecting together more than one of these cells will produce a battery.Rev. 0 Page 19 ES-01
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