ET115W3Lab

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University of Arkansas *

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ET115

Subject

Electrical Engineering

Date

Dec 6, 2023

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docx

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8

Uploaded by ProfessorOtter7308

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Lab 2: Grantham University Date: November 7, 2023 Introduction:
In this lab I will be calculating and measuring Voltages across resistor 1, 2, and 3, as well as calculating the total amperage and resistance in the circuit. I am expecting the simulated results to be lower or higher than the calculated due to the tolerances applied to the resistors. This lab should teach me how to use an oscilloscope and function generator. Equipment/Components: 3x Resistors o 1k Ohm o 2.2k Ohm o 4.7k Ohm Agilent Multimeter Agilent Function Gen Tektronix Oscilloscope Procedure: Briefly describe how you will approach the problem and try to solve the lab, describe and explain any techniques/rules/laws/principles you would use. Outline each step of the process. I will begin to calculate the required measurements. To start with I will calculate the total resistance, since it is a series of resistors they will be added together. After which I will calculate the total amperage following Irms=Vs(rms)/Rtot. From there I calculate the voltage across each resistor by using V=I*R. From there I can move on to getting the period from 60Hz source frequency and measure the period and frequency. Lastly I will start the last part and change R1 to the given variables and recalculate and measure V3. Circuit design: Execution/Results: Rt= 1k+2.2k+4.7k= 7.9k
Irms= 3V/7.9K = 0.0003797 =379.7uA V1=379.7uA*1k=0.3797=0.38V V2=379.7uA*2.2k=0.83534=0.84V V3=379.7Ua*4.7k=1.75459=1.75V T=1/f T=1/60Hz= 0.0167=16.7ms 3Vrms to PP for Function generation 3V*2.828=8.484V Copy/Paste the screenshots for all the measurements required in the lab here. Be sure to add a title and explain what each of the screenshots represent. Measurements of Voltage Across Resistors using Agilent MM. Measurements of Amperage using Agilent MM.
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