ECET 110 All Assignments

ECET 110 Week 1 Homework Click Below Link To Purchase www.foxtutor.com/product/ecet-110-week-1-homework Why do you never apply an ohmmeter to a live network? What is the voltage across a 220 Ω resistor if the current through it is 5.6 mA? What is the current through a 6.8 Ω resistor of the voltage drop across it is 24V? What is the power delivered by a 6V battery if the current drain is 750mA? The current through a 4k Ω resistor is 7.2mA. What is the power delivered to the resistor? Chapter 5 Find the individual (not combination of) elements (voltage source and/or resistors) that are in series. Find total resistance Rt for each configuration. For the series configuration in Fig. 5.92, constructed of standard values: For the series configuration in Fig. 5.93, constructed using standard value resistors: For the circuit in Fig. 5.97, constructed of standard value resistors: Find the unknown quantities for the circuit of Fig. 5.98 using the information provided. Using Kirchhoff’s voltage law, find the unknown voltages for the circuits in Fig. 5.105. Use the voltage divider rule, find the indicated voltages in Fig. 5.111. Using the voltage divider rule or Kirchhoff’s voltage law, determine the unknown voltages for the configurations in Fig. 5.112. Do not calculate the current! ECET 110 Week 2 Homework Click Below Link To Purchase www.foxtutor.com/product/ecet-110-week-2-homework CHAPTER 6 4. For each circuit board in Fig. 6.74, find the total resistance between connection tabs 1 and 2. 10. For the network of Fig. 6.80: 24. Using Kirchhoff’s current law, determine the unknown currents for the parallel network in Fig. 6.93. 32. For each network of Fig. 6.101, determine the unknown currents. ECET 110 Week 2 iLab Analysis of a DC Parallel Circuit using Simulation and Actual Construction Click Below Link To Purchase www.foxtutor.com/product/ecet-110-week-2-ilab-analysis-of-a-dc-parallel-circuit-using-simulation-and-actual-construction Objectives: The objectives this week were to effectively learn to simulate and construct a parallel circuit and learn to troubleshoot issues that may be had by OPEN or Shorted circuits. Also to learn how to calculate current and resistance within parallel circuits Did you prove Kirchhoff’s Current Law to be true for a parallel circuit Explain how you proved Kirchhoff’s Current Law. How much power did this circuit dissipate? What would happen to the current I5 if one of the resistors, like R4,is SHORT or OPEN circuited by chance? Will the current, compared to the original value: ECET 110 Week 3 Homework Click Below Link To Purchase www.foxtutor.com/product/ecet-110-week-3-homework Chapter 7: Problems 1 (a, b, c), 2 (a, b), 3, 8, 10 1. Which elements (individual elements, not combinations of elements) of the networks in Fig. 7.60 are in series? Which are in parallel? As a check on your assumptions, be sure that the elements in series have the same current and that the elements in parallel have the same voltage. Restrict your decisions to single elements, not combinations of elements. 2. Determine RT for the networks in Fig. 7.61. 3. Find the total resistance for the configuration of Fig. 7.62. 8. For the network of Fig. 7.67: 10. For the circuit board in Fig. 7.69: ECET 110 Week 3 iLab Analysis of a DC Series-Parallel Circuit Click Below Link To Purchase www.foxtutor.com/product/ecet-110-week-3-ilab-analysis-of-a-dc-series-parallel-circuit Objectives: To construct a series-parallel circuit correctly and measure its equivalent resistance. To predict and verify electrical characteristics of a series-parallel circuit using Ohm’s Law, Kirchhoff’s Current and Voltage Laws, and Voltage and Current divider rules. Determine the various branch currents in the circuit using the current divider rule. Verify the same using the simulation and actual measurement after wiring the circuit. Report on any differences in the values and why that might be the case. Did you prove Kirchhoff’s Voltage Law to be true for the series-parallel circuit? Explain how you proved Kirchhoff’s Voltage Law. Did you prove Kirchhoff’s Current Law to be true for the series-parallel circuit? Explain how you proved Kirchhoff’s Current Law. How much power did this circuit dissipate? ECET 110 Week 4 Homework Click Below Link To Purchase www.foxtutor.com/product/ecet-110-week-4-homework Chapter# 8 Question 1, 4, 8, 12 and 32 1. For the network of Fig. 8.97: Find the currents I1 and I2. Determine the voltage Vs. 4. For the network in Fig. 8.100: 8. Convert the current sources in Fig. 8.104 to voltage sources. 12. Find the voltage Vs and the current I1 for the network in Fig. 8.108. 32. Using the format approach to mesh analysis, write the mesh equations for the network of Fig. 8.111. Solve for the current through the 8 Ω resistor. ECET 110 Week 4 iLab Format Mesh Analysis Click Below Link To Purchase www.foxtutor.com/product/ecet-110-week-4-ilab-format-mesh-analysis Objectives: 1. To troubleshoot a complex circuit and determine various currents and voltages using format mesh analysis. 2. To simulate the complex circuit in MultiSim and record the required quantities. 3. Determine the various currents and voltages after wiring the circuit. Results: The results were as predicted. Conclusions: Using mesh analysis to predict complex circuits saves on lengthy calculations ECET 110 Week 5 Homework Click Below Link To Purchase www.foxtutor.com/product/ecet-110-week-5-homework CHAPTER 9 1a. Using the superposition theorem, determine the current through the 12 Ohm resistor of fig. 9.119. we will use superposition to analyze this circuit. First short E2 and find the current thru the 12 Ohms resistor and then Short E1 and keep E2 in the circuit and find the same current. Then algebraically add the two currents (add if in the same directions and subtract if opposite direction Short V2 12Ohms resistor—IR3 IR1 and IR3 are the same value IR3=4A Short V1 12 Ohms resistor—IR3 IR3=5A Subtract the values due to opposing directions IR3=IR3(V1)+IR3(V2)=5A-4A=1A 1b. Convert both voltage sources to current sources and recalculate the current to the 12 Ohm resistor. Subtract the two current sources (because they are opposite directions) and the result will be one current source. You can find individual currents using current divider rule 1c. How do the results of parts a and b compare? The answers are to be the same. ECET 110 Week 5 iLab Thevenin’s and Superposition Theorem Click Below Link To Purchase www.foxtutor.com/product/ecet-110-week-5-ilab-thevenin’s-and-superposition-theorem Objectives: 1. To troubleshoot a complex circuit and determine various currents and voltages using superposition theorem and compare the results with the results of last week’s lab. 2. To simulate the complex circuit in Multisim and record the required quantities and verify superposition theorem by using one source at a time. 3. Determine the various currents and voltages after wiring the circuit. Verify superposition theorem and report on any differences in the values and why that might be the case. 4. Use Multisim to illustrate Thevenin’s theorem. Results: By collecting the required data from calculated, simulated, and constructed circuits, we were able to prove the superposition theorem to be true. Conclusions: The superposition theorem is a true and viable way to calculate the electrical values of a circuit with multiple power sources. Given the current through R1 from each source indicated by IR1(V1)and IR1(V2), would the net current through the resistor be obtained by adding or subtracting these individual current contributions? If R2 failed due to an overload and the resistor opened up, what voltage would you measure across R2? ECET 110 Week 6 Homework Capacitors Click Below Link To Purchase www.foxtutor.com/product/ecet-110-week-6-homework-capacitors Chapter 10: Capacitors 20. Repeat Problem 19 for R = 1 MΩ, and compare the results 26. For the network in Fig. 10.98, composed of standard values: 34. For the automobile circuit of Fig. 10.105, VL must be 8 V before the system is activated. If the switch is closed at t = 0 s, how long will it take for the system to be activated? 48. Find the total capacitance CT for the circuit in Fig. 10.119. ECET 110 Week 6 iLab Transient Analysis of a Resistor-Inductor Circuit Click Below Link To Purchase www.foxtutor.com/product/ecet-110-week-6-ilab-transient-analysis-of-a-resistor-inductor-circuit 1. OBJECTIVES Perform a transient analysis on a Resistor-Capacitor circuit, and measure capacitor charge and discharge times. Determine the steady state values of current, voltage, and the time constants for a Resistor-Capacitor circuit. PARTS LIST Equipment: IBM PC or Compatible DC Power Supply DMM (Digital Multimeter) Oscilloscope Parts: 1 – 10kW Resistor (color bands = brown, black, orange, gold), ¼ W 1 - 100μF electrolytic capacitor 1 – Breadboard and hookup wires Software: Multisim III. PROCEDURE: Theoretical calculations of the time constant, voltage, current, and the duration the transients last for the sample RC circuit given in Fig. 6.1 below. ___________________________ For this question, assume that you are using Figure 6.1 but that the value or R and C are unknown. Assume the time constant for the circuit is 10 ms (milliseconds). If the new R is half of the original R and capacitor C is increased by 10 times, calculate the new time constant. Using the exponential formula for a charging circuit and assuming an initial voltage of zero volts across the capacitor, calculate the voltage across the capacitor at ECET 110 Week 7 Homework Click Below Link To Purchase www.foxtutor.com/product/ecet-110-week-7-homework Chapter 11: Inductors Homework problems [12, 14, 29, 36] ECET 110 Week 7 iLab Transient Analysis of a Resistor-Inductor Circuit Click Below Link To Purchase www.foxtutor.com/product/ecet-110-week-7-ilab-transient-analysis-of-a-resistor-inductor-circuit Objectives: Calculate time constant, transient time, current and voltage across inductor at beginning and the end of the charge cycle. Use MultiSim to test the calculations. Build and test a physical circuit using the MultiSim schematic. How does the self-resistance of the inductor affect the results? What can be done to keep the current value to be the same as in the case of an ideal inductor? How can the inductor in MultiSim be “redesigned” so that it more closely approximates the real inductor? ECET 110 Quiz 2 Click Below Link To Purchase www.foxtutor.com/product/ecet-110-quiz-2 1. (TCO 4) For the series-parallel circuit given in Figure 3.1 below, determine the total resistance RT between the terminals labeled A and B 2. (TCO 4) For the circuit given in Figure 3.3, obtain the following quantities. a) Currents I1 and I2 b) Power dissipated by the resistor R3 3. (TCOs 2,3,4) Determine the unknown quantities I1, V2, and V3 for the series-parallel circuit given in Figure 3.4 below. Note that some of the known quantities are indicated in the diagram. 4. (TCOs 2,5) Solve for the loop currents I1, I2, and I3 for the circuit given in Figure 4.5 below using format mesh analysis. 5. (TCO 5) For the circuit given in Figure 4.7 below, find I1, I2, and Vs. ECET 110 Quiz 3 Click Below Link To Purchase www.foxtutor.com/product/ecet-110-quiz-3 1. (TCO 7) For the circuit given below, determine the total capacitance CT between the terminals labeled A and B. 2. (TCO 6) Find the Thevenin equivalent circuit for the circuit given in Figure 4.7 below. Consider the resistor R to be the variable load resistor. Determine the current through R when R=75 ohms and also when R=25 ohms. 3. (TCO 7) For the RC circuit given below, determine the steady state voltage across the capacitor and the peak current through the capacitor during its charging cycle 4. (TCO 7) For the RC circuit given below, determine the time constant and transient time, and determine the voltage across the capacitor at a time t = 7 seconds 5. (TCO 6) Using superposition, find the voltage VR2 for the circuit below ECET 110 Week 1 iLab Analysis of a Series Circuit using Simulation and Actual Construction Click Below Link To Purchase www.foxtutor.com/product/ecet-110-week-1-ilab-analysis-of-a-series-circuit-using-simulation-and-actual-construction Objectives: To construct a circuit in series to test and verify Ohm’s Law and Kirchhoff’s Voltage Law using a multi-meter, breadboard, resistors and jumper wires. To simulate this construct digitally and mathematically to compare results to determine if the above laws are supported. Results: The simulation, breadboard construct, and calculations had similar measurements in all fields including voltage, current, resistors, sources, and power dissipation. Conclusions: Ohm’s Law and Kirchhoff’s Voltage Law hold accuracy to the actual measurements with small discrepancy. The readings were similar in all mediums. Did you prove Ohm’s Law to be true for a series circuit? Explain how you proved Ohm’s Law. Did you prove Kirchhoff’s Voltage Law to be true? Explain how you proved Kirchhoff’s Voltage Law. What would happen to the current IT if one of the resistors, like R3 is SHORT circuited by chance? Will the current, compared to the original value: What is the power dissipated by each resistor under the new circumstances (R3 SHORTED)? Also, express your answers in engineering units. Under the above conditions, do we need to change the ratings of the resistors? ECET 110 Week 2 Quiz Click Below Link To Purchase www.foxtutor.com/product/ecet-110-week-2-quiz 1. (TCO 3) Find the total conductance and total resistance of the parallel circuit given below. 2. (TCO 3) A resistor in one of the parallel branches is replaced by a short circuit as shown in the figure below. Determine the current IS through this shorted branch. 3. (TCO 3) Solve for the unknown currents using the information provided in the figure below. (Hint: use the current divider rule.) 4. (TCO 3) Determine the unknown quantities for the parallel circuit below. Note that the known quantities have a value assigned to them. 5. (TCO 3) Given a parallel electric circuit as shown below, determine the currents I1, I2, I3, I4, and IT. Verify Kirchhoff's current law and determine the power PR1 dissipated by the resistor R1. 6. (TCO 2) Given a series electric circuit as shown in the figure below, determine the following quantities ECET 110 Week 6 iLab Transient Analysis of a Resistor-Inductor Circuit Click Below Link To Purchase www.foxtutor.com/product/ecet-110-week-6-ilab-transient-analysis-of-a-resistor-inductor-circuit Perform a transient analysis on a Resistor-Capacitor circuit, and measure capacitor charge and discharge times. Determine the steady state values of current, voltage, and the time constants for a Resistor-Capacitor circuit. PARTS LIST Equipment: IBM PC or Compatible DC Power Supply DMM (Digital Multimeter) Oscilloscope Parts: 1 – 10kW Resistor (color bands = brown, black, orange, gold), ¼ W 1 - 100μF electrolytic capacitor 1 – Breadboard and hookup wires Software: Multisim III. PROCEDURE: Theoretical calculations of the time constant, voltage, current, and the duration the transients last for the sample RC circuit given in Fig. 6.1 below. ________________ For this question, assume that you are using Figure 6.1 but that the value or R and C are unknown. Assume the time constant for the circuit is 10 ms (milliseconds). If the new R is half of the original R and capacitor C is increased by 10 times, calculate the new time constant. Using the exponential formula for a charging circuit and assuming an initial voltage of zero volts across the capacitor, calculate the voltage across the capacitor at ECET 110 Week 6 Quiz Click Below Link To Purchase www.foxtutor.com/product/ecet-110-week-6-quiz 1. (TCO 7) For the circuit given below, determine the total capacitance CT between the terminals labeled A and B 2. (TCO 6) Find the Thevenin equivalent circuit for the circuit given in Figure 4.7 below. Consider the resistor R to be the variable load resistor. Determine the current through Rwhen R=100 ohms and also when R=50 ohms. 3. (TCO 7) For the RC circuit given below, determine the steady state voltage across the capacitor and the peak current through the capacitor during its charging cycle 4. (TCO 7) For the RC circuit given below, determine the time constant and transient time, and determine the voltage across the capacitor at a time t = 3 milliseconds 5. (TCO 6) Using superposition, find the voltage VR2 for the circuit below.