supply electricity to cities in the late 1880s is often called the ’War of Currents ’‚ as this battle ultimately decided which type of current became the standard for the generation of electricity today. Due to different advantages and disadvantages‚ Edison promoted direct current (DC) for electric power distribution‚ whereas Westinghouse and Nikola Tesla both advocated alternating current (AC). Edison ’s direct current was initially the standard for the United States for electricity distribution
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THE WAR OF CURRENTS Tesla vs Edison: THE WAR OF CURRENTS In the "War of Currents" era (sometimes "War of the Currents" or "Battle of Currents") in the late 1880s‚ George Westinghouse and Thomas Edison became adversaries due to Edison’s promotion of direct current (DC) for electric power distribution over alternating current (AC) advocated by Westinghouse and Nikola Tesla. Thomas Edison American inventor andbusinessman was known as "The Wizard of Menlo Park" and pushed
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Passive Electronic Components and Circuits Laboratory 5 Kirchhoff’s voltage and current laws Objective: o Kirchhoff’s voltage law (KVL)‚ o Kirchhoff’s current law (KCL)‚ o Verify Kirchhoff’s voltage and current laws using a given circuit. Equipment: o Digilent Electronics Explorer Board‚ o Digital Multi-Meter‚ o Assorted resistors. Theoretical support: o Laboratory 3‚ o Laboratory 4‚ o Lecture 4 (Microsoft Power Point Support): Kirchhoff’s laws‚ Applying Kirchhoff’s laws.
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Current is a flow of electrical charge carriers‚ usually electrons or electron-deficient atoms. The common symbol for current is the uppercase letter I. The standard unit is the ampere‚ symbolized by A. One ampere of current represents one coulomb of electrical charge (6.24 x 1018 charge carriers) moving past a specific point in one second. Physicists consider current to flow from relatively positive points to relatively negative points; this is called conventional current or Franklin current. Electrons
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ce between ac and dc current ASSIGNMENT 3 | BILAL ABID 01-133122-022 | MAM SOYIBA JAWED | DIFFERENCE BETWEEN AC AND DC CURRENT AC is short for alternating current. This means that the direction of current flowing in a circuit is constantly being reversed back and forth. The electrical current in your house is alternating current. This comes from power plants that
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ENGINEERING INSTRUCTION SMPS POWER PLANT (Model RMPS N X 100A / D) ITI 600 Amp No. SMPS/ D - 004 No of Pages. Issue No. Issued By: Approved By: Date of Issue No of Pages Issued by: Approved By: Date of Issue 11 01 T&D‚ Circle CGM T&D Circle 19-03-2005 NIL Amendment No (If Any) Restricted use by BSNL Employees only BHARAT SANCHAR NIGAM LIMITED (A Govt. of India Enterprise) All efforts have been made to incorporate all relevant up to date information available‚ any discrepancies or need
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work with direct current (DC) that still impacts society. Despite this‚ Nikola Tesla has impacted the world through his work with alternating current (AC)‚ which are used to supply power to homes‚ and his creation of the first hydroelectric power plant. Thomas Edison made a monumental impact with his alteration of the electric light bulb‚ although he did not invent it himself. Tesla and Edison raced to prove that their type of current was more effective‚ in the “War of Currents‚” which is still
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race to develop electricity. His name was George Westinghouse‚ and he was very interested in alternating current. Edison bought Tesla’s ideas‚ and developed an AC system that lit up the 1893 Chicago World’s Fair. Three years later an AC system began turning the energy of Niagara Falls into electricity. Before that Edison relied only on direct current which only went up to one mile while alternating current went over one hundred miles. Soon Tesla‚ who proudly became an American citizen in 1891‚ was
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Dc http://www.allaboutcircuits.com/vol_1/index.html ac http://www.allaboutcircuits.com/vol_2/index.html What is alternating current (AC)? Most students of electricity begin their study with what is known as direct current (DC)‚ which is electricity flowing in a constant direction‚ and/or possessing a voltage with constant polarity. DC is the kind of electricity made by a battery (with definite positive and negative terminals)‚ or the kind of charge generated by rubbing
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a soft iron core. It can decrease the voltage (called a step down transformer). or increase the voltage (called a step up transformer‚ shown below). Alternating current is passed through the primary coil (the input) which creates a changing magnetic field in the iron core. The changing magnetic field then induces alternating current of the same frequency in the secondary coil (the output). A step up transformer has more turns of wire on the secondary coil‚ which makes a larger induced
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