ch6 - Electricity And Electronics Fundamentals TECH 175...

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1 Electricity And Electronics Fundamentals TECH 175 Fall Semester 2007 Chapter 6 Series Circuits 3 Series Circuits • Two elements in a series – Connected at a single point – No other current-carrying connections at this point 4 Series Circuit • A series circuit is constructed by connecting various elements in series 5 Series Circuits • Normally – Current will leave the positive terminal of a voltage source – Move through the resistors – Return to negative terminal of the source 6 Series Resistors The total resistance of a series configuration is the sum of the resistance levels. The more resistors we add in series, the greater the resistance (no matter what their value) The largest resistor in a series combination will have the most impact on the total resistance N T R R R R R R + + + + + = ... 4 3 2 1
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2 7 Series Resistors 8 Series Resistors When series resistors have the same value, Where N = the number of resistors in the string The total series resistance is not affected by the order in which the components are connected. NR R T = 9 Measuring Resistors in Series 10 Series Circuits • The current is the same at every point in a series circuit • Analogy: the flow of water is the same through each section of hose as the water is carried to its destination 11 Power in a Series Circuit • Power dissipated by each resistor is
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This note was uploaded on 04/07/2008 for the course TECH 175 taught by Professor Yang during the Fall '07 term at Northern Illinois University.

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ch6 - Electricity And Electronics Fundamentals TECH 175...

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