Interview Question : What are the Sources of Electricity

SOURCES OF ELECTRICITY

Electricity can be created by several means: Friction, Heat, Light, Pressure, Chemical Action, or Magnetic Action. Only a few of these sources of energy are used in the automobile. The battery produces electricity through chemical action, and the alternator produces electricity through magnetic action. 1,Friction - creates static electricity. 2.Heat -can act upon a device called a thermo couple to create DC. 3.Light applied to photoelectric materials will produce DC electricity. 4.Pressure applied to a piezoelectric material will produce DC electricity. 5.Chemical Action of certain chemicals will create electricity.

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