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The most usual type of electrical power inverter is an electronic device which converts a direct current supply - often at a low voltage such as 12 or 24 volts as is used in a vehicle - to a higher voltage alternating current such as 120 or 240 volts which can be used to supply power to a household electrical appliance.

Inverters do what the name implies: they invert one type of power source to another type such as from DC (direct current) to AC (alternating current).

In addition inverters can be used to convert a power source to a different level [VOLTAGE].

No matter what type is involved, because no inverter'e efficiency can ever be near to 100%, there will always be some loss of energy from the power that is supplied to the input to the power that is available at the output, but that is a small price to pay for the convenience of using an inverter.

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Q: What is an electrical power inverter?
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What is inverter efficiency?

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Is it power amplifier and inverter both are same?

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