ECOR 1044A3 G11 LAB 1

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Carleton University *

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1044

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Electrical Engineering

Date

Dec 6, 2023

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pdf

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15

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Lab #2: Introduction to Circuit Simulation ECOR1043-Circuits Lab Group Number: Group Member 1: Group Member 2: Performed on: 28/09/2023 Submitted on: 30/09/2023
5.2 Measuring Voltage: (Step 7) Take a clear screenshot of the graph after ensuring that it is a horizontal line at 2.0V: (Step 15) Take a screenshot of the resulting graph:
(Step 16) Value across the same resistor R1: Answer: VR1 = 1.3750 V (Step 18) Run the simulation and take a screenshot:
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(Step 19) Voltage drop across R2: Answer: VR2 = 625.00 mV (Step 20) Calculate voltage drop across R1 (show steps)
Answer VR1 = 1.375 V V2 = IR2 I = V2/R2 I = 625 mV/1 K I = 0.000625 A V1 = IR1 V1 = 0.000625 A 2.2 K × V1 = 1.375 V (Step 22) Take a screenshot with all voltages and components clearly visible:
5.3 Measuring Current: (Step 7) Take a screenshot of the resulting graph:
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(Step 9) Record values of the following three currents: Answer: IR1 = 754.56 µ𝐴 Answer: IR2 = 339.97 µ𝐴 Answer: IR3 = 414.59 µ𝐴 (Step 10) Take a screenshot of the schematic with all currents and components clearly visible:
5.4 Measuring Power:
(Step 1) Calculate and record values of power across various resistors: Answer: PR1 = 1.2526 W × 10 −3 Answer: PR2 = 1.1558 W × 10 −4 Answer: PR3 = 1.4096 W × 10 −4
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(Step 2) Calculate power associated with the voltage source by using two different ways: Answer 1: PV1 = PR1 + PR2 + PR3 = 1.509 W × 10 −3 Answer 2: PV1 = 1.509 W × 10 −3 RT = + 2200 (1/1000Ω + 1/820Ω) −1 RT = 2650.549451 PV1 = 𝑉 2 / 𝑅 PV1 = 4V / 2650.549451 PV1 = W 1. 509 × 10 −3
5.5 Complete Analysis of a Circuit: (Step 4) Take two separate screenshots showing the values of the following parameters (on circuit diagram not the graph) for all 5 components of the circuit: (a) Node voltages of node 0, 1, 2 and 3 (with respect to ground
(b) Currents IR1, IR2, IR3, IV1, and IV2
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Table 1: Circuit parameters R1 R2 R3 V1 V2 I 928.57 µ𝐴 142.86 µ𝐴 785.7 µ𝐴 -928.57 µ𝐴 142.86 µ𝐴 V 9.2857 V 0.71429 V 15.714 V 25 V 15 V P 8.62242 mW 0.10204 mW 12.34649 mW -23.2143 mW 2.1429 mW 6 Discussion Questions: (1) The calculations done during the pre-lab resulted in a voltage of 1.3750 V which is the same answer we obtained when calculating the voltage with the values found on multisim except that we used voltage divider for the pre-lab and simple ohm's law with the values on multisim (2) Simulated Values DMM Values Difference
IR1 754.56 µ𝐴 750 µ𝐴 4.56 µ𝐴 IR2 339.97 µ𝐴 335 µ𝐴 4.97 µ𝐴 IR3 414.59 µ𝐴 409 µ𝐴 5.59 µ𝐴 (3) netlist from pre-lab: V_V1 N1 0 25 V_V2 N3 0 15 R_R1 N1 N2 10K R_R2 N2 N3 5K
R_R3 N2 0 20K Similarities: includes the value of each element as well as the nodes they are connected to (both match) Differences: The netlist on multisim does not use N to represent nodes and does not use the unit K (K Ω) (4) P(dissipated) = 8.622422 mW + 0.102044 mW + 12.34649 mW + 2.1429 mW = 23.213856 mW P(delivered) = 23.21425mW 23.21425 mW - 23.213856 mW = 0.000394mW (close to 0)
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