Lab 8 - Matt Karam PHYS 214- 10 March 25, 2008 Shake that...

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Matt Karam PHYS 214- 10 March 25, 2008 Shake that body, move that body for me! 1. Goals: To observe the direct effects of sinusoidal voltage on Resistor-Capacitor circuits. Also we will further utilize and test our capabilities with oscilloscopes. Alternating current will be the test subject and should produce observable differences in the function of the capacitor especially. 2. Theory: When an RC current is driven with a sinusoidal voltage source the voltages of the capacitor lags behind the resistor by a 90 o phase shift. The voltage of each is described by a separate function: V R (t)=(R/Z)V max sin(ωt) V C (t)=(X c /Z)V max sin(ωt-π/2) Since there is an alternating current the voltage at times will be zero meaning that the voltage drop across the circuit must also be zero, at these instances the voltage across the resistor and the capacitor should be equal to zero as well. 3. Procedure 1. Set function generator to sin wave, voltage of 3, at about 400Hz. a.
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Lab 8 - Matt Karam PHYS 214- 10 March 25, 2008 Shake that...

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