p1.Basics.of.Electricity.and.Magnetism

p1.Basics.of.Electricity.and.Magnetism - bxyics 1 Basics of...

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Unformatted text preview: bxyics 1 Basics of Electricity and Magnetism 4050-403 Concepts of Wireless Data Networks bxyics 2 Atoms bxyics 3 Static Electricity bxyics 2 bxyics 4 Concepts ¡ Charge ¡ Conductors ¡ Insulators ¡ Electron flow ¡ Electric circuits bxyics 5 Concepts ¡ Current ¡ Current flow directions ¡ Current types ¡ Direct current ¡ Alternating Current ¡ Voltage ¡ Resistance ¡ Resistance of a wire ¡ Resistivity bxyics 6 Ohm's Law ¡ “The voltage across a resistor is directly proportional to the current flowing through it” Ω Ohm R Resistance V Volt E or V Voltage A Ampere (AMP) I Current Unit Abbreviation Unit of Measurement Symbol Quantity bxyics 3 bxyics 7 Resistors bxyics 8 Example bxyics 9 Series Circuits 3 2 1 R R R R + + = 3 2 1 R R R R + + = 3 2 1 I I I I = = = 34 23 12 V V V V + + = bxyics 4 bxyics 10 Parallel Circuits 3 2 1 1 1 1 1 R R R R + + = 45 36 27 I I I I + + = 45 36 27 V V V V = = = bxyics 11 Example ¡ What is the equivalent resistance R AB of the three resistors shown below?...
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This note was uploaded on 04/21/2008 for the course VNSA 403 taught by Professor Yuan during the Winter '07 term at RIT.

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p1.Basics.of.Electricity.and.Magnetism - bxyics 1 Basics of...

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