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An alternator (a.c. generator).
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12y ago

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What is the purpose of a alternator?

A car alternator generates alternating current, then uses a rectifier to convert the alternating current to direct current, it charges your battery and supplies the current to run all the electrical systems in the car.


What is special about AC power supplies?

AC power supplies are power supplies that use Alternating Current, which means that the current repeatedly changes its direction. AC power supplies are usually mains supplies as they are at a high voltage. Often filtering takes place between the mains supply and the device.


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The symbol for alternating current is: ~


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Alternating current. Direct current is used in batteries.


Name device which permits direct current and opposes the flow of alternating current?

A device that permits direct current (DC) and opposes the flow of alternating current (AC) is a rectifier. Rectifiers are electronic components that only allow current to flow in one direction, which is common for converting AC to DC in power supplies and other applications.


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Alternating Current is measured in Amperes.


Which is better for transmission alternating current and direct current?

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An electrical device that converts alternating current into direct current is a rectifier. Diodes, which pass only current going one direction, are a type of rectifier. Most power supplies for electronic equipment contain rectifiers along with other components to "clean" the DC power output.


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