physicslab2_electrostatics - Bryan Myint October 15, 2007...

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Unformatted text preview: Bryan Myint October 15, 2007 Physics Lab 4 Electrostatics Introduction and Theoretical Background There exist natural phenomena related to electrostatics such as charge, current, potential, electric fields, and capacitance. This lab will demonstrate the properties of these phenomena and develop a greater understanding of the sources and interactions of electrostatics. The first part of the lab will concern the properties of capacitors and the charging/discharging of these components. The time constants of a 0.33 microF will be compared to that of a 1 milliF capacitor. In the second part, sources of electricity will be analyzed and measured through voltage measured with different setups. The last part of the lab dealt with capacitance and series and parallel applications of capacitance. Setup and Procedure Part 1 The first setup in this part was a simple circuit to charge a capacitor with a battery using two wires and then connecting the capacitor to the multimeter to determine the capacitance. This was repeated 5 times. The second half the capacitor was charged in the same manner and connected it to the ADC connected to the computer via alligator plugs. The program was then run to graph the voltage drop due to discharge of the capacitor. This procedure was done for the 0.33 microF and the 1 milliF capacitor to determine the time constant of the voltage drop. Part 2 The second part of the lab is composed of many different setups aimed to demonstrate the sources of electricity. The first part requires that two 30cm diameter plates are placed on top of each other with the copper sides facing each other. The plates are then discharged and then the top plate is lifted causing it to charge. A spark is then generated by placing a grounded the top plate is lifted causing it to charge....
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This note was uploaded on 04/05/2008 for the course PHYS 1C taught by Professor Whitten during the Spring '07 term at UCLA.

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physicslab2_electrostatics - Bryan Myint October 15, 2007...

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