Tuesday, April 21, 2015

Day 15 04/16/2015 Passive RC Circuit Natural Response

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Some In class Practice Problem


These two are the one let us get used to use use inductor and capacitor
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Passive RC Circuit Natural Response


In this prelab, we were ask to write the differential equation relate to graph a and graph b
On graph a) the voltage change when switch is on we can calculate T by using Ta = R2*C
On graph b) the switch is off we can shortage the source so Tb can equal to to Rsum*C



After the Pre-Lab we set up the lab


This graph is graph b) output


In the graph b) above we pick 2 random point on the decreasing curve and know the delta t then we can calculate the RC(T) by v(t) = Voe^(-t/RC)


This is graph a) output


we using the same method as part b to calculate the T which is RC

Summary: the big T is RC

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Class Note


This graph is the voltage and current's relationship on inductor


the current for inductor is base on relation I(t) = Ioe^(-tR/L)


The graph of inductor will be like this 


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