Definition: The word "Alternator" in the King James Version (KJV) translates to "the alternator, or converter for alternators." The term originally referred to a device used in electrical systems to change one type of electric current into another. In the context of electrical engineering and mechanics, an alternator is a mechanical part that converts alternating current (AC) from a source like a battery into direct current (DC) through a circuit. Alternators are essential components in electronic circuits for regulating power flow, converting AC signals to DC, and also act as the primary power supply for various devices. The "alternator" or "converter" concept is found in many different contexts within engineering and physics, and its use can range from simple household appliances like a water pump and washing machine, to more complex electrical systems used in industrial settings.