Breaks Record: Hot Weather in San Luis Obispo, October 24, 2017
"San Luis Obispo breaks temperature record at 108 degrees on October 24, 2017, making it one of the hottest places in the USA. Learn about capacitor charging, lab procedures, using an oscilloscope, and more in this engaging Fall 2017 session of EE-251 lab with Professor Malone. Explore the exponential relationship of capacitors' charge and discharge through detailed images and instructions available on Polylearn. Understand Vc and Ic, running input frequency, and the effects of time constants in this informative session."
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Presentation Transcript
EE-251 lab-5 Malone, Fall 2017
October 24, 2017 SLO breaks record at 108 degrees and the hot weather isn t over Temperatures reached 108 degrees in San Luis Obispo, shattering the previous record of 103 set in 1959, according to PG&E meteorologist John Lindsey. Hottest place in the USA and perhaps the world on that day !!!
V(t) 4.000 3.500 3.000 2.500 2.000 1.500 1.000 0.500 0.000 0 1 2 3 4 5 Prob 2 time constants Prelab problems Prob 1 V(t) 4.000 3.500 3.000 2.500 2.000 1.500 V(t) 1.000 0.500 0.000 0 1 2 3 4 5 t
Vc(tau) vs tiime constant (1 = one time constant 1 t Vc(tau) 0 1 0.632 2 0.865 3 0.950 4 0.982 5 0.993 0.9 0 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 So, how far vertically do you move in on time constant
Capacitor will charge and discharge with an exponential relationship
You get to use an oscilloscope for this lab. (note: In your lab we will see a square wave)
Capacitor will charge and discharge with an exponential relationship
Look at your discussion questions before you do the lab And think about next weeks pre-lab and lab math !!
First prelab problem for lab-6 Do you remember how to do math with complex numbers both polar and rectangular form?
