Join Yahoo Answers and get 100 points today. The current goes to and fro. Alternating current is a type of electric current that varies (alternates) from time to time, while direct current is the current that flows only in one direction. DC is the Direct current in which instantaneous voltage is constant over the time and does not change so the frequency is termed as zero frequency. In the USA It is 120 Volts, with the current (and voltage) changing direction (hence “alternating”) 60 times a second (60Hz). And the power factor of the DC voltages always remains 1. AC is “alternating current” and DC is “direct current”. Alternate currant = ac. The device traditionally converts one form of electricity to the other. This phenomenon is called skin effect. These wave forms consists of positive and negative crusts. These were devices that would control the movement of electrons in a low-pressure space in order to modify or create an electrical signal. DC sources, such as batteries, have a positive (+) terminal and a negative (-) terminal. Why don't libraries smell like bookstores? The current flows in one direction only. Generating DC. this type of 50 wave forms will be there in a second time for 50 Hertz frequency. in the early days when electricity distribution was just being considered there was a great debate about whether ac or dc should be used. Some power supplies use a filter capacitor and select the appropriate regulator to generate a pure DC signal. Converting AC to DC is the main function of an AC-DC power supply. The voltage induces by rotating the coil in the field of the magnet. Direct current is when electricity flows in the same direction and is always either positive or negative. If the current constantly changes direction it is called alternating current, or AC. An AC-DC power supply contains a rectifier that uses a diode to separate the positive and negative electricity. Alternating current in the United States has been standardized to change … http://www.wereyouwondering.com/what-is-the-differ... How can I use 110Volts 50Watts Equipment in 220V Ac with simple Good Idea method modifications? Do you think Joe Cocker should be in the Rock And Roll Hall of Fame? Amazon Doesn't Want You to Know About This Plugin. Required fields are marked *. You can sign in to give your opinion on the answer. A battery is DC. You can sign in to vote the answer. The AC voltage is unidirectional, and the DC voltage is bidirectional. Who is the longest reigning WWE Champion of all time? All Rights Reserved. A house supply is AC. It means alternating current / direct current, and that's it. Power supplies are commonly found on devices that use a charged battery such as cell phones and other handheld devices. Which Engineering track is best for sex toys? Wikibuy Review: A Free Tool That Saves You Time and Money, 15 Creative Ways to Save Money That Actually Work. IN DC no zero potential point arises, but in AC zero potential points arises twice the frequency. What is the time signature of the song Atin Cu Pung Singsing? The generation of the DC voltage is quite simple and easy. who sings Baker Street in the place of Gerry Rafferty these days? What is the rising action of faith love and dr lazaro? direct current = dc. Whereas, the frequency of DC voltage becomes zero. The impedance means the opposition offered by the voltage to the flow of current. Malcolm and Angus Young developed the idea for the band's name after their sister, Margaret Young, saw the initials "AC/DC" on a sewing machine. The inverter converts the direct current into the alternating current. suppose is frequency is 50 Hertz then voltage and current changes from zero potential to positive potential then again to zero potential and then to negative potential then to again zero. Your email address will not be published. DC can be generated in a number of ways: An AC generator equipped with a device called a "commutator" can produce direct current It repeats this pattern 60 times a second. "AC/DC" is pronounced one letter at a time, though the band are colloquially known as "Acca Dacca" in Australia. They didn't even know or care that it was also a term used to describe bisexuality, but you can bet the bible-thumpers complained about that too. The generator generates the AC voltage, and the DC voltage is obtained from the cell or battery. I forgot what it stood for,though. As soon as the electricity turns to positive, the diode switches and allows the electricity down the positive wire. In the past, all televisions and radios used vacuum tubes. AC is alternating current and DC is direct current. AC is the alternating current in which instantaneous current is continuously variable based on the frequency. Power supplies can be found on many things, such as for television sets, computers, video game consoles and even home phones. The main advantage of the AC voltage is that it is easily measured. The AC voltage has amplitude whereas the DC voltage doesn’t have amplitude. How do you think about the answers? Difference Between Alternator & Generator, Difference Between Moving Iron & Moving Coil Instrument, Difference Between Alternating Current (AC) & Direct Current (DC), Difference Between Slip Ring & Split Ring, Types of DC Generator – Separately Excited and Self Excited, Difference Between Magnetic And Electric Circuit, Two Wattmeter Method of Power Measurement, Difference Between Physical and Chemical Change, Difference Between Alpha, Beta and Gamma Particles, Difference Between Electrolytes and Nonelectrolytes, Difference Between Electromagnetic Wave and Matter Wave, Difference Between Kinetics and Kinematics, Difference Between Synchronous and Asynchronous Counter, Difference Between Analog and Digital Signals, Difference Between Stationary and Progressive Waves, Difference Between Positive and Negative Feedback. What AC and DC stand for in term of electricity? There are different kinds of rectifiers, but they all do the same basic thing. there was a sample hookup of a town with electricity at the chicago worlds fair in 1889. it used ac, and was very successful, and that is why we now have ac current in our houses. The brothers felt that this name symbolised the band's raw energy, power-driven performances of their music. Alternating current is when the electricity flows one way and then back again over and over. Electric current is what you call electrons moving in a conductor. A bunch of bible-thumping guys in white suits invented the idea that it was an acronym for Anti-Christ Devil's Child, because everything has to stand for something with fundamentalist types. Had they of known this when they were naming the band they probably never would have chosen AC-DC as the offical name. This second coil contains less turns of wire to create a lower voltage of AC electricity. As soon as the electricity turns to positive, the diode switches and allows the electricity down the positive wire.
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