PhysicsLab_MiaMartinez

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University of Texas, San Antonio *

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1303

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Electrical Engineering

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Feb 20, 2024

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docx

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12

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Lab#6: RC Circuit Report Objective : To virtually observe and measure the factors that affect the time it takes for a capacitor to charge in a direct current (DC) circuit. Part 1– Measured Time vs. Resistance: Data Table#1: C = 50 μF V = 10V Run Resistanc e Measured Time Measured Time Constant Calculate d time constant %Error Unit s Ohms s S s 1 200 0.101 0.0101 0.10 0% 2 400 0.200 0.0200 0.020 0% 3 600 0.299 0.0299 0.030 0.33% 4 800 0.399 0.0399 0.040 0.25% 5 900 0.454 0.0454 0.045 0.89 Graph#1: Measured Time vs. Resistance
Part 2: Measured Time Vs. Voltage Data Table#2 C = _50e-6 F_________ R = ___500 ohms________ Run Voltage Measured Time Measured Time Constant Units V S S 3 0.223 0.0223 5 0.233 0.0233 7 0.243 0.0243 8 0.244 0.0244 10 0.251 0.0251
Graph#2: Measured Time vs. Voltage
Part3: Charging a Capacitor Plots Data Table#3 C = 50 μF R = 200 ohms= 2.0 kilo ohms V = 10 V Run Elapsed Time Voltage Across resistor Voltage Across capacitor Charge on Capacitor Current Units S V V C A 1 0.012 8.843 1.157 5.79e-5 4.42e-3 2 0.026 7.741 2.251 1.129e-4 3.87e-3 3 0.038 6.873 3.127 1.564e-4 3.44e-3 4 0.050 6.090 3.910 1.955e-4 3.04e-3 5 0.071 4.931 5.069 2.534e-4 2.47e-3 6 0.091 4.025 5.975 2.987e-4 2.01e-3 7 0.118 3.064 6.936 3.468e-4 1.53e-3 8 0.139 2.498 7.502 3.751e-4 1.25e-3 9 0.163 1.951 8.049 4.024e-4 0.98e-3 10 0.233 0.970 9.030 4.515e-4 0.49e-3
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