PHYS3050 Lab 2 - PHYS3050 Lab 2 Simple Passive Networks By:...

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PHYS3050 Lab 2 Simple Passive Networks By: Aysar Khalid (209728866) Lab Partner: Hassan Chehaitli Submitted on: October 28 th , 2010
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Objective The aim for this lab was to learn about voltage division using 2 resistors and a DC power supply. And to learn about the Thévenin equivalent circuit using load resistors. 2.1 Voltage Division Figure 1 Circuit diagram for 1st circuit Figure 2 Circuit diagram for 2nd circuit After assembling both circuits and measuring V DC and V BC and calculating V AB (see end pages for calculation and rough work). It was found that the measured voltage of V AB was off by about 1V. This was unexpected. The values of V BC were found to be different for both circuits. This is potentially because the Digital Multimeter is not stable at very high resistance values and will +/- 1V in its accuracy to measure. Another potential reason was maybe because since current favours a path with the least resistance. It is likely that more current will go through the Multimeter (which tends to have a resistance of 5 MOhm) rather than the resistor of 10 MOhm, since the current will favour a pathway with less resistance, we will have some deficiency in current via the actual pathway we are trying to measuring the current through.
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PHYS3050 Lab 2 - PHYS3050 Lab 2 Simple Passive Networks By:...

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