question: Distinguish between DC and AC
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Answers
Answer:
DC :-
Unlike alternating current, the flow of direct current does not change periodically. The current electricity flows in a single direction in a steady voltage. The major use of DC is to supply power for electrical devices and also to charge batteries. Example: mobile phone batteries, flashlights, flat-screen television, and electric vehicles. DC has the combination of plus and minus sign, a dotted line or a straight line.
Everything that runs on a battery and uses an AC adapter while plugging into a wall or uses a USB cable for power relies on DC. Examples would be cellphones, electric vehicles, flashlights, flat-screen TVs (AC goes into the TV and is converted into DC).
AC:-
In alternating current, the electric charges flow changes its direction periodically. AC is the most commonly used and most preferred electric power for household equipment, office, and buildings, etc. It was first tested, based on the principles of Michael Faraday in 1832 using a Dynamo Electric Generator
Alternating current can be identified in waveform called a sine wave, in other words, it can be said as the curved line. These curved lines represent electric cycles and are measured per second. The measurement is read as Hertz or Hz. AC is used to powerhouses and buildings etc because generating and transporting AC across long distances is relatively easy. AC is capable of powering electric motors which are used on refrigerators, washing machine, etc
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Answer:
Direct current (DC) is the flow of electric charge in only one direction. It is the steady state of a constant-voltage circuit. Most well-known applications, however, use a time-varying voltage source. Alternating current (AC) is the flow of electric charge that periodically reverses direction.