What are the applications of alternating current?
Alternating current is mainly used in the industry of the transportation and production of electricity. In fact, almost every household in the world is powered by AC. DC is generally not used for these purposes due to more power lost to heat compared to AC, higher risks of producing a fire, higher costs, and issues with converting high voltage and low current to low voltage and high current using transformers.
AC is also the more popular current when it comes to powering electric motors, a device that converts electric energy into mechanical energy. Some household appliances that we use that rely on this are, but aren't limited to: refrigerators, dishwashers, garbage disposals, and toasters.
Direct current is popular in applications that contains batteries, are charged by plugging an AC to DC adapter into a wall, or uses a USB cable to charge. Examples of these products are flashlights, cell phones, modern day televisions (these contain an adapter which converts AC power to DC power), and hybrid cars.
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http://www.wisegeek.com/what-are-the-most-common-applications-for-ac-current.htm
AC is also the more popular current when it comes to powering electric motors, a device that converts electric energy into mechanical energy. Some household appliances that we use that rely on this are, but aren't limited to: refrigerators, dishwashers, garbage disposals, and toasters.
Direct current is popular in applications that contains batteries, are charged by plugging an AC to DC adapter into a wall, or uses a USB cable to charge. Examples of these products are flashlights, cell phones, modern day televisions (these contain an adapter which converts AC power to DC power), and hybrid cars.
Header source:
http://www.wisegeek.com/what-are-the-most-common-applications-for-ac-current.htm
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