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Alternating current is the form in which electric power is delivered to businesses and residences, and it is the form of electrical energy that consumers typically use when they plug kitchen appliances, televisions, fans and electric lamps into a wall socket.
Alternating current (AC), flow of electric charge that periodically reverses. It starts from zero, grows to a maximum, decreases to zero, reverses, reaches a maximum in the opposite direction, returns again to the original value, and repeats the cycle.
What is Alternating Current? An alternating current (AC) is defined as an electric current that changes direction and magnitude periodically. Unlike direct current (DC), which flows in one direction, AC transmits power over long distances with less energy loss.
AC stands for “Alternating Current,” meaning voltage or current that changes polarity or direction, respectively, over time. AC electromechanical generators, known as alternators , are of simpler construction than DC electromechanical generators.
Alternating current (AC) is a type of electric current that periodically reverses its direction of flow. Its polarity changes over time, and its magnitude fluctuates sinusoidally, typically following a waveform like a sine wave.
Alternating current describes the flow of charge that changes direction periodically. As a result, the voltage level also reverses along with the current. AC is used to deliver power to houses, office buildings, etc.
Alternating current (AC) is the flow of electric charge that periodically reverses direction. If the source varies periodically, particularly sinusoidally, the circuit is known as an alternating current circuit. Examples include the commercial and residential power that serves so many of our needs.
An electric current that frequently reverses direction is called an alternating current (AC). Once again, whether the intensity of the current remains constant is irrelevant. The frequent reversal of direction is what matters. The prototypical example of an alternating current source is a generator.
The nozzle-shaped plug that goes into your computer delivers a direct current to the computer’s battery, but it receives that charge from an AC plug that goes into the wall. The awkward little block that’s in between the wall plug and your computer is a power adapter that transforms AC to DC.
We see that, like the applied voltage, the current varies sinusoidally and has corresponding positive and negative values during each cycle. Thus, the sum of the instantaneous current values over one complete cycle is zero, and the average current is zero. The fact that the average current is zero, however, does