ECT 125
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Homework Assignment
Chapter 10
2.) Calculate the value ofvLdeveloped across a 4.7 H coil when the instantaneous rate of change in component current equals 1.5 A/s.
4.) Calculate the value ofvLdeveloped across a 470 µH coil when the instantaneous rate of change in component current equ.....

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ECT 125 ECT\125 ECT 125 Week 1 iLab 1
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ECT 125 ECT\125 ECT 125 Week 1 iLab 2
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Chapter 9.
2. Calculate the period of the waveform shown in Figure 9.45
4. Calculate the period of the waveform shown in Figure 9.46b
6. Calculate the frequency of the waveform shown in Figure 9.45.
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ECT 125 ECT\125 ECT 125 Week 2 iLab Triangles and the Pythagorean Theorem
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Calculate total impedance (ZT) and voltage values (VR, VL, VC) for the circuit shown below where the voltage source values are: v = 4V, f = 800 Hz.
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iLab Steps
Part I: Amplitude Measurement
1.Construct the circuit shown below on your breadboard.
2.Set the function generation to provide a 0.25 V RMS amplitude sine wave. Measure the amplitude of the wave with the DMM and oscilloscope. Record your measurements in Table 1.0
3.Repe.....

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Inductor Phase Shift
iLab Steps
Part I: Phase Shift Measurement
1.Construct the circuit shown below on your breadboard.
2.Set the function generation to provide a 1 VRMS amplitude sine wave at 500 Hz. Measure the inductor voltage and the phase shift between the source and ind.....

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ECT 125 ECT/125 ECT 125 Week 3 iLab 3 Phase Shift and Voltage
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Chapter 11, Page 349350, problems 20, 22, 24, 26, 30 and 32
20. A parallel RL circuit has values of IL= 240mA and IR = 180mA. Calculate the magnitude and phase angle of the circuit current.
22. Calculate the total impedance for the circuit shown in Figure 11.38b.
&nbs.....

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iLab Steps
Part I: Power Ratings
Step 1: Power Rating Observation and Notation
1.Locate the safety sticker on the equipment in the laboratory. Examine the power rating of the equipment. Complete the table below for the equipment listed below as well as any other equipment in the room......

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ECT 125 ECT/125 ECT 125 Week 4 iLab 2
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ECT 125 ECT/125 ECT 125 Week 4 iLab 3
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Chapter 11
34. Calculate the current and voltage values for the circuit shown in Figure 11.43b.
Chapter 13
34. Calculate the current and voltage values for the circuit shown in Figure 13.41b.
Chapter 14
32. Calculate the impedance, current and voltage values for the circuit sh.....

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ECT 125 ECT\125 ECT 125 Week 5 Homework
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iLab Steps
Part I:Inductor in Series with Parallel Combination of Capacitor and Resistor
1.Construct the seriesparallel circuit shown on your breadboard.
2.Determine the total circuit impedance (including phase) for the circuit.
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iLab Steps
Part I:Capacitor in Series with Parallel Combination of Inductor and Resistor
1.Construct the seriesparallel circuit shown on your breadboard.
2.Determine the total circuit impedance (including phase) for the circuit.
3.Determine the total circuit current (including ph.....

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SeriesParallel Circuits III
Lab is due Week 5
Scenario/Summary:
This lab is one exercise as follows:
This lab entails constructing a seriesparallel circuit (series resistor and inductor with parallel resistor and capacitor) and measuring and observing circuit properties. Questio.....

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Chapter 14, Page 445, problems: 16 and 18
Chapter 15, Pages 487–488, problems: 2, 4, 6, 8, 20, 22, 24, 26, 28, 30, 32, 34, 36, and 38
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ECT 125 ECT/125 ECT 125 Week 6 iLab 1
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iLab Steps
Part I: RC Low and High Pass Filters
1.Construct the circuit shown below on the breadboard.
2.Vary the frequency from minimum to maximum frequencies and observe the input and output waveforms on the oscilloscope. What happened to the phase of the capacitor voltage when the .....

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iLab Steps
Part I: Bandpass or Notch?
1.Construct the circuit shown below on the breadboard.
2.Use the techniques described in the lecture to predict which type of filter the circuit above will be.
Part II: Bandpass or Notch?
1.Construct the circuit shown below on the breadboa.....

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ECT 125 HW#7  1 August 19, 2014 NAME:
1. A transformer with a 250mA AC primary current and a 4:1 turns ratio has a secondary current of?
1 A 250 mA
4 A
400 mA
None of the above
2. A transformer that has 1500 windings around .....

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Stepdown Transformers
Lab is due Week 7
Scenario/Summary:
This lab is one exercise as follows:
This lab entails constructing a transformer circuit and measuring and observing circuit properties. Questions to answer are embedded in the procedure.
All parts of the lab can be ac.....

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ECT 125 ECT\125 ECT 125 Week 7 iLab 1
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ECT 125 ECT\125 ECT 125 Week 7 iLab 2
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iLab Steps
Exercise: Stepup Transformer Circuits
1.Construct the circuit shown below on the breadboard.
2.Given the transformer turns ratio by your Instructor calculate the expected secondary and primary voltage and currents. (note: Source voltage will need to be increased with the t.....

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ECT 125 ECT\125 ECT 125 Week 7 iLab 3
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ECT 125 ECT/125 ECT 125 Week 7 iLab 3
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1. (TCO 1) Calculate the time constant and how long will it take the capacitor in the following circuit to become fully charged
2. (TCO 2) Current . Transfer this current to the polar notation.
3. (TCO 1) How long does it take a capacitor to fully discharge in an RC circuit.....

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1. (TCO 5) If Va = 2V, what is Vout?
2. (TCO 3) If Vin = 2V, and Rload = 1k ohm, what is the current through Rload?
3. (TCO 4) If an audio amplifier integrated circuit uses a dual power supply of +/ 30V for the power supply, will there be a capacitor on the output of the a.....
