Lab 7 - to an RC circuit at 1kohm and.1microF 2 Measure the...

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Matt Karam PHYS 214- 10 March 13, 2008 Shark attack! 1. Goals: To study direct current as it relates to the charging and discharging of capacitors through a resistive circuit. Also the concepts in regard to differential equations and how they function to theoretically describe realistic situations. 2. Theory: The discharging differential equations is: (dQ(t))/(dt) = - (Q(t))/(RC) The physics properties used to describe this differential equation are: resistance, current, and charge. Our solution of Q(t)= Q(0) e ^(-t/RC) was arrived at by guessing at the derivation. 3. Procedure 1. Measuring the RC circuit, V vs. t: Set the function generator to create a squarewave signal with a 3 volt charge running at a 1000 Hz frequency. Then adjust the offset so the CRT reads the oscillation at -1.5 to 1.5. Then connect this
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Unformatted text preview: to an RC circuit at 1kohm and .1microF 2. Measure the halflife of the capacitors charge based on the decaying wave. 3. Test the half life of the capacitor through the RC circuit using the voltmeter and taking voltage measurements against time, graphing the results. 4. Results: On the packettachment? 5. Problems: Answered on attached problem worksheet. 6. Conclusions: This was a good lab, it was straightforward for the most part and it allowed us to gain further practice in wiring of the oscilloscope. The capacitor follows a common decay curve as it discharges through the resistor circuit. And… yeah… I don’t like differential equations. The actual things or the class…...
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Lab 7 - to an RC circuit at 1kohm and.1microF 2 Measure the...

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