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1 William Hampton Partner: Travis Hampton Date: 9/3/10 Ohms Law IElementary DC Circuits with Light Bulbs The purpose of this experiment was to see the relationship between current, resistance, power, and electric potential. The other aim was to learn about the different properties and setups of DC circuits including series and parallel circuits. The main focus behind the laboratory experiment is Ohms Law. It is defined as the relationship between the current I as it flows through a resistance R and the potential drop across it V (Contemporary Introductory Physics Experiments). The formula is: I=V/R where I = current; R = resistance; and V = the potential difference. The formula for power is: P=V x I where P = power; I = current; and V = the potential difference. The entire variables can be rearranged as P=VI=I^2R=V^2/R. There were many different apparatuses used during this experiment. A circuit board connected to a power supply that varied from 0 to 18 volts was the main component. main component.... View Full Document

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