Lab 5 - Matt Karam PHYS 214- 10 February 20, 2008...

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Unformatted text preview: Matt Karam PHYS 214- 10 February 20, 2008 Resistance is Futile! If less than 1 ohm 1. Goals: To explore the concepts behind resistance and how it affects circuits. The operation of resistors in series and in parallel will show us the difference in effect based on orientation and wiring order. Also we will explore how to check if a resistor is ohmic by graphing its voltage and current curve. 2. Theory: a. Electrical resistance is a measure of the extent to which a circuit component opposes an electric currents flow through it. Electrical resistance shares some concepts with mechanical friction. b. Series addition of resistance: R Total =R 1 +R 2 + c. Parallel addition of resistance: R total = 1/(1/R 1 +1/R 2 +) d. When dealing with circuits utilizing many resistor in series and parallel it is best to divide the circuit into smaller areas based on where it splits and reconverges. Consider lengths with series resistors as on resistor, and calculate sections with parallel resistors as one resistor in...
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Lab 5 - Matt Karam PHYS 214- 10 February 20, 2008...

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