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Measuring Internal Resistance
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| Submitted: Thu Jul 11 2002
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Measuring Internal Resistance I am going to do an experiment to measure the internal resistance of different power sources. The different sources I am going to measure the internal resistance of are dry cells, a solar panel, a car battery and a power pack. The apparatus I am going to use are a voltmeter, an ammeter, a variable resistor, power source and a floodlight to power the solar cell. My circuit is going to be set up as follows: The experiment has no dangers except for when I am going to test the car battery because the power it supplies might be too much and cause a fire. To avoid this happening I am going to keep the resistance quite high. To improve accuracy with the dry cell I am going to use 4 dry cells and take the average, also with all the sources I am going to try and get a...
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