ola_dundooah_249 - /35 Error: Reference source not found,...

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Unformatted text preview: /35 Error: Reference source not found, 09/17/04, Error: Reference source not found 1 Experiment : Ohms Law and DC Circuits Your name: Anish Dundoo Partner: James Schaefer Performed on: May 8 th , 2008 TA: Huard Zach Section number: 249 Page 1 of Word document Spring Quarter 2008 Spring Quarter 2008 Promptness % (100 means it was on time): 100 Additional Scores (+)/Penalties (-): Please insert your material in the space after the yellow boxes, not in the boxes themselves. Abstract (4) The aim of this experiment is to examine the resistive elements in circuits using Ohms Law. Mathematically, Ohms Law can be written as V = I*R. We found the equivalent resistance in series and parallel combinations and then graphed the components to prove it is a linear function. The Amp meter and the voltage source were used to form the different circuits. A non-Ohmic resistor was also tested in order to show that the graph in this particular case is exponential and not a linear relationship. In parallel, the experimental value of resistance of 33.902.015 compares closely to the theoretical value of 33.92.07 . In series, resistance of 148.4.4 also compares closely to the theoretical value of 148.33.603 . Sample Calculations (5) Calculating the uncertainty of R u{R}: = uR R { } u R R = . uR 49 93 . % 1 =. uR 05 Calculating the experimental value for Resistance in Series combination: = + Req R1 R2 = . + . Req 98 2 50 2 = . Req 148 4 Converting Milliamps to Amps: 21mA 1A1000mA =. 021A Calculating the uncertainty for Resistance in Series combination: { }= { } + { } u Req u R1 2 u R2 2 { }=. +. } u Req 32 19 2 =. uReq 4 Calculating the uncertainty for Resistance in Parallel combination: = uReq Req2 { } + { } u R1 R122 u R2 R222 Error: Reference source not found, 09/17/04, Error: Reference source not found = . uReq 33 92...
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ola_dundooah_249 - /35 Error: Reference source not found,...

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