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# ECET212AC Analysis Lab 2a Procedures I. OBJECTIVES 1. To analyze a series AC circuit containing a capacitor (C) and a resistor (R) using Ohm's Law...

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ECET212—AC Analysis Lab 2a Procedures I. OBJECTIVES 1. To analyze a series AC circuit containing a capacitor (C) and a resistor (R) using Ohm’s Law and Kirchhoff’s Voltage Law 2. To simulate the RC circuit and observe the voltage drops and current at different frequencies 3. To build an RC circuit and measure voltage drops and current at different frequencies 4. To prove that the power delivered by the source is equal to the sum total of power dissipated by all of the resistors in the circuit II. PARTS LIST Equipment IBM PC or compatible Function generator DMM (digital multimeter) Parts 1–1 K Ω Resistor 1–100 nF Capacitor Software MultiSim 11 III. PROCEDURE A. Theoretical Analysis 1. Given the R and C series circuit in Figure 1 , calculate the total equivalent resistance, Z T , of the circuit at frequencies, f = 1 kHz, 2 kHz, and 3 kHz and list the numbers obtained in Table 1. Be sure to include correct units. Figure 1: Series RC Circuit Course Number: ECET-212 Laboratory Number: 2a Page 1 of 6
Frequency (kHz) Reactance, X C Total Circuit AC Impedance, Z T Complex Notation Magnitude Angle 1 2 3 Table 1: RC Circuit Calculated Impedance Values 2. Calculate and record the quantities in the following tables. Be sure to include correct units. Frequency (kHz) I S (I RMS ) Power Factor () Complex Form Magnitude Angle 1 2 3 Table 2: RC Circuit Calculated Current Values Frequency (kHz) V C (V RMS ) Complex Form Magnitude Angle 1 2 3 Table 3: RC Circuit Calculated Capacitor Voltage Values Frequency (kHz) V R (V RMS ) {V C + V R } (V RMS ) Complex Form Magnitude Angle 1 2 3 Table 4: RC Circuit Calculated Voltage Values 3. Does the sum of the two voltage drops in Table 4 above equal 5 V RMS ? ( Circle your answer.) Course Number: ECET-212 Laboratory Number: 2a Page 2 of 6
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ECET212—AC Analysis Lab 2b Procedures I. OBJECTIVES 1. To analyze a series AC circuit containing an inductor (L) and a resistor (R) using Ohm’s Law and Kirchhoff’s Voltage Law 2. To simulate the RL circuit and observe the voltage drops and currents at different frequencies 3. To build a RL circuit and measure voltage drops and current at different frequencies 4. To prove that the power delivered by the source is equal to the sum total of power dissipated by all of the resistors in the circuit II. PARTS LIST Equipment IBM PC or Compatible Function Generator DMM (Digital Multimeter) Parts 1–470 Ω Resistor 1–47 mH Inductor Software MultiSim 11 III. PROCEDURE A. Theoretical Analysis 1. Given the R and L series circuit in Figure 1 , calculate the total equivalent resistance, Z T , of the circuit at frequencies, f = 1 kHz, 2kHz and 3 kHz, and list the values obtained in Table 1. Figure 1: Series R L Circuit Course Number: ECET-212 Laboratory Number: 2b Page 1 of 6
Note: Notice that the self-resistance, R L of the 47 mH inductor, is shown in the schematic and should be included in the analysis. In order to best match your measured results, before starting the lab, measure your coil resistance with a DMM. Correct the value if necessary. Frequency (kHz) Reactance X L Inductive Impedance - Z L Total Series Circuit AC Impedance Z T = [R + R L ] + j X L Complex Notation R L + j X L Complex Notation Magnitude Angle 1 2 3 Table 1: RL Circuit-Calculated Impedance Values 2. Calculate and record the following quantities. Frequency (kHz) I S (I RMS ) = V S / Z T Power Factor Complex Form Magnitude Angle 1 2 3 Table 2: RL Circuit-Calculated Current Values Frequency (kHz) V L (V RMS ) Complex Form Magnitude Angle 1 2 3 Table 3: RL Circuit-Calculated Inductor Voltage Values Course Number: ECET-212 Laboratory Number: 2b Page 2 of 6
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Figure 1: Series RC Circuit
Formula to be used
Reactance, XC
Complex notation, Z
Magnitude, |Z|
Angle, θ
Current, IS
Magnitude
Voltage, VC Frequency Reactance, XC Total Circuit AC Impedance, ZT...

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