exp03sol - MASSACHUSETTS INSTITUTE OF TECHNOLOGY Department...

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E03 Solutions-1 MASSACHUSETTS INSTITUTE OF TECHNOLOGY Department of Physics 8.02 Experiment 3 Solutions : Ohm’s Law Question 1: When the battery is “on” what is the voltage drop across the resistor and what is the current through it? What is the resistance of the resistor (calculate it from what you just measured, do NOT figure it out from the color code). From the above picture we can see that a 0.962 V drive voltage leads to a 9.62 mA current, so the resistance is: ( ) () 0.962 V 100. 9.62 mA V R I = == Ω We could improve on this if there were some way to average the values over a time range.
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E07 Solutions-2 Question 2: Given the possibilities you are presented with, what do you think is the best way to test Ohm's law? What waveform, frequency, amplitude and plot do you use? Is Ohm's law valid for your resistor? How do you extract the resistance of the resistor using your method? What is it? Testing Ohm’s law means testing that there is a linear relationship between
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This note was uploaded on 02/27/2011 for the course PHYSICS 8 taught by Professor Dourmashkin during the Fall '10 term at MIT.

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exp03sol - MASSACHUSETTS INSTITUTE OF TECHNOLOGY Department...

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