Exp_3 RC Circuts

# Exp_3 RC Circuts - Volts Time [s] .37 V max V max...

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Turn in Lab Reports

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Get ready for the quiz Put lab manuals away Put ALL bags and backpacks under the desks No talking during the quiz.
Experiment 3 RC circuits

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Resistance with Capacitance in an alternating electric system What’s important to know? Tau, is not time but has the same units R is resistance C is capacitance Tau = R*C
Lakes and Streams Filling up the lake is like charging Draining the lake is like discharging The amount of energy depends on the amount of stuff, (capacitor) and the rate at which it is released, (resistor)

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A LITTLE HELP
Diagrams Function Generator C R

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What you will measure Function Generator C R O-Scope
What does the data look like?

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Unformatted text preview: Volts Time [s] .37 V max V max Difference is Tau WHAT DO WE DO WITH THAT DATA τ = R*C ? 200 700 800 1000 Resistance [Ohms] 40 120 200 220 Tau in micro seconds Regression line will have a slope with R^2 value. This is C! Important Notes • Do have plots for all five resistance values, assume 5% for the resistor box. These must be sketched in the graph paper provided in the lab manual. • Do have error for your Vmax and .63 Vmax values, use the scope deviation. • Do have error estimates for you Tau values! • Do have error estimates for your C values! • Use the min max method! • Lets look at an example...
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## This note was uploaded on 08/25/2009 for the course PHY 213 taught by Professor Cao during the Summer '08 term at Kentucky.

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Exp_3 RC Circuts - Volts Time [s] .37 V max V max...

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