ALTERNATING CURRENT Meaning and
Definition
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Alternating current (AC) refers to the flow of electric charge that periodically changes direction, commonly seen in household and commercial electrical systems. In an AC system, the flow of electricity frequently reverses its polarity, allowing the current to oscillate back and forth at a specified frequency. This is in contrast to direct current (DC), where the movement of electrons flows steadily in a single direction.
AC is produced by generators, which convert various energy sources like mechanical, solar, wind, or hydro power into electrical energy. The resulting AC electricity is characterized by regularly alternating voltage and current cycles. The direction of current flow is constantly reversing, typically at a frequency of 50 or 60 hertz, depending on the country's electrical grid system.
The advantages of AC include its ability to be easily transformed into different voltages using transformers, facilitating efficient power transmission over long distances. AC power also allows for the use of electric motors, which are commonly employed in many electronic devices, appliances, and industrial machinery.
The complexity of AC arises from its fluctuating nature, requiring specialized electrical components and circuitry to handle the changing voltage and current levels. However, the ability to easily regulate and control AC power has made it the primary form of electrical energy used worldwide, powering our homes, workplaces, and a wide range of technologies, from lighting systems to electronic devices. AC has become an integral part of our modern electrical infrastructure.
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An electrical current the direction of which is constantly and rapidly reversed without being broken.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for ALTERNATING CURRENT
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Etymology of ALTERNATING CURRENT
The word "alternating current" (abbreviated as AC) has a relatively straightforward etymology.
The term "alternating" comes from the Latin word "alternātus", which means "to alternate" or "to take turns". It is a derivative of the verb "alternāre", which refers to something that alternates, changes, or switches in sequence.
The word "current" is derived from the Latin word "currere", meaning "to run" or "to flow". In this context, it refers to the flow of electric charge.
When these two words are combined, "alternating current" describes an electric current that continuously changes direction. It is named as such because the flow of electric charge periodically reverses its direction, unlike direct current (DC) which flows in only one direction.
Similar spelling words for ALTERNATING CURRENT
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