Prelab-3_Trung_Doan copy

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Kennesaw State University *

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2301

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Electrical Engineering

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Apr 3, 2024

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Prelab-3 Worksheet Circuit Analysis – I Student Name(s): Trung Doan Student ID(s): 001049519 Task 1a Table 1: Resistance Calculation: Resistor # Color Code Calculated Resistance Value R1 Green–Blue–Brown 560 R2 Red–Red–Brown 220 R3 Orange–Orange–Brown 330 R4 Yellow–Violet–Brown 470 Note 1: Color codes are given excluding the tolerance color band. Note 2: The resistance, voltage and current values in all tables must be written with units. Task 1b Table 2: Analytical Calculations – Circuit Analysis Results: V s Series Circuit Parallel Circuit V R 2 I I s I 1 I 2 9 V 2.54V 11.54mA 46.42mA 27.27mA 19.15mA In the next page, show ’ detailed step-by-step ’ calculations corresponding to Table 2. Note: To calculate the source current I s in the Parallel Circuit, first find the equivalent resistance (R1 || R2). 1 | P a g e

Within the space given below show ‘ detailed step-by-step ’ calculations for the Series Circuit to find the voltage drop across R2 ( V R 2 ) and the current through the circuit ( I ). Req = R1 + R2 Req = 560Ω + 220Ω = 780Ω I = V R I = 9 780 = .01154A or 11.54mA Vr2 = I * R2 Vr2 = 0.01154A * 220Ω = 2.54V Within the space given below show ‘ detailed step-by-step ’ calculations for the Parallel Circuit to find source current ( I s ), current through R3 ( I 1 ), and current through R4 ( I 2 ). Req = R 3 ∗ R 4 R 3 + R 4 Req = 330 ∗ 470 330 + 470 = 193.88Ω Is = Vs Req Is = 9 193.88 = 46.42A I1 = 9 330 = 0.02727A or 27.27mA I2 = 9 470 = 0.01915A or 19.15mA 2 | P a g e

Task 2 Table 3: LTspice Simulation Results: V s Series Circuit Parallel Circuit V R 2 I I s I 1 I 2 9 V 2.54V 11.54mA 46.42mA 27.27mA 19.15mA Screenshot # 1 (Place your Screenshot # 1 below) 3 | P a g e

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Screenshot # 2 (Place your Screenshot # 2 below) Prelab-3 Submission Requirements:  Convert/save this Prelab-3 Worksheet as a .pdf file with a filename as follows: If Prelab is done individually: “Prelab-3_FirstName_LastName.pdf”. If Prelab is done in a group: If you have been explicitly instructed by your lab instructor to perform the Prelab exercises in a group, then save this Prelab-3 Worksheet as a .pdf file with a filename following the convention below: 4 | P a g e

Let’s consider that two students are doing the prelab in a group. Then the filename should be: “Prelab-3_FirstName of Student 1_FirstName of Student 2.pdf”. For example, if name of the two students are Tom Cruz and Morgan Freeman, respectively, then the Prelab-2 Worksheet file should have the following name: “Prelab-3_Tom_Morgan.pdf”. Similar file naming convention should be followed to properly name your LTspice schematic file . Improperly named files may be subject to point deductions.  Prelab Submission Checklist: There should be three files submitted for your Prelab-3 assignment. The Prelab-3 Worksheet (.pdf) and two LTspice schematic files (.asc).  Check with your lab instructor about specific instructions on how to submit your Prelab files for assessment and grading. Prelab Score: This prelab contributes to 30 points toward Lab 3 (each Task in the Prelab is worth 10 points). In-lab hands-on work will contribute to 70 points (Lab 3 total is 100 points). 5 | P a g e