Lab1_ENGR065

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Coastline Community College *

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065

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Electrical Engineering

Date

Feb 20, 2024

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docx

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Faith Blue ENGR 065 Lab 07L February 10, 2021 Laboratory 1 Circuit Simulations in Lab

Objectives:  Learn how to use Simscape within Matlab and Simulink environment to model and simulate circuits  Observe the responses of the circuits when the circuits and parameters are changed Theoretical Background: In this lab we will demonstrate how to use Simulink to build physical systems that will model electrical domains. The goal is for student to practice and learn how to use a set of libraries and simulation features to model physical systems. We will create a simulation of circuits in order to understand how DC/AC voltage sources, DC/AC current sources, resistors, inductors, capacitors, and switches work together. Experimental procedures: R1 Voltage across R1 Voltage across R2 Current flowing through R1 10 1.667 8.333 0.1667 20 2.857 7.143 0.1429 30 3.75 6.25 0.125 40 2.857 7.143 0.1429 50 5 5 0.1 60 5.455 4.545 0.09091 70 5.833 4.167 0.08333 80 6.154 3.846 0.07692 90 6.429 3.571 0.07143 10 0 6.667 3.333 0.06667

Analysis of Experimental Data: I observed the voltage across R1 and R2 were very similar. I noticed the current flowing through R1 had a similar value as that of the voltage source. The sum of the voltages on R! and R2 is equal to the voltage source. Ohm’s Law says that the voltage across a conductor. Is proportional to the current through the conductor. Summary: In this lab, I could observe a relationship to the resistance of the resistor, the voltage across the resistor, and the current flowing through the resistor. I have learned from this simulation how voltage is shared across a conductor. I understand the sum of all voltages around the circuit is proportional to the current through the conductor.

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