Electronics Chapter 5 Quiz

Course Information

• Course Title: EE 151 - Applied Electricity
• Facilitator: F. B. Effah (PhD)
• Teaching Assistants: David Bawiina (0560456972), Tunteiya Alhassan (0249117004)
• Email: [email protected]
• Address: Department of Electrical & Electronic Engineering, Faculty of Electrical & Computer Engineering, College of Engineering, Room 13, Bamfo Kwakye Building
• Office Hours: Monday-Friday, 9am-5pm

Target Students

• First-year students enrolled in Electrical and Electronic Engineering courses.

Course Aim

• Introduce first-year students to the fundamental physical principles behind Electrical and Electronic Engineering, including circuit theory and electric and magnetic fields.

Learning Outcomes

• Knowledge and Understanding:
  • Understand Kirchhoff's laws, Norton and Thévenin equivalent circuits, and apply them to simple circuits.
  • Understand phasors and their applications to simple AC circuits.
  • Understand the superposition principle and apply it to simple AC circuits.
• Intellectual Skills:
  • Reduce complex circuits to simpler forms.
  • Analyze linear and non-linear magnetic circuits.
• Professional Practical Skills:
  • Apply appropriate methods to analyze various circuits.

Teaching Activities

• Lecture note presentations
• In-class tutorials
• Practical examples

Assessment

• Distribution:
  • Progress Test (10%) - Covers all learning outcomes (LO1-LO6)
  • Homework (5%) - Covers all learning outcomes (LO1-LO6)
  • Mid-Semester Exam (15%) - Covers all learning outcomes (LO1-LO6)
  • Final Exam (70%) - Covers all learning outcomes (LO1-LO6)

Reading List

• Nilsson, J. W., & Riedel, S. A. (2006). Electric circuits. Pearson.
• Boylestad, R. (2007). Introductory circuit analysis. Pearson.
• Dorf, R. C. (Year). Introduction to Electric Circuits.
• Johnson, Johnson, & Hilburn. (Year). Electric Circuit Analysis.
• Powell, R. (Year). Introduction to Electric Circuits.
• Bell Whitehead and Bolton. (Year). Basic Electrical and Electronic Engineering
• Okyere, P. Y., & Frimpong, E. A. (Year). Fundamentals of Electric and Magnetic Circuits

Organisation of Semester

• Unit 1: Circuits and Network Theorems (Weeks 2-4) - Covers Kirchhoff's laws, Thevenin's Theorem, Norton's Theorem, Superposition Theorem, and Delta-Star Transformation.
• Unit 2: Alternating current circuits (Weeks 4-6) - Covers Average and RMS values, Harmonics, Phasors, impedance, current and power in AC circuits.
• Unit 3: Three-phase circuits (Weeks 6-9) - Covers Connection of three-phase windings, three-phase loads, power in three-phase circuits, and solving three-phase circuit problems.
• Unit 4: Magnetic circuits (Weeks 9-11) - Covers Components and terminologies, and magnetic circuit solutions.

Other Topics

• Introduction to SI Units: Standard units used in scientific and engineering calculations.
• Basic Quantities and SI Units: Definitions and units for length, mass, time, electric current, and temperature.
• Important Derived Quantities (1 & 2): Definitions and units of force, energy, electric charge, power, voltage, electric field strength, electric charge density, electric flux density.
• Electrical Charge: Introduction to the concept of electrical charge, nature's basic charge carriers (electrons, protons), and quantization of charge.
• Voltage and Current: Relationship between voltage and energy, the concept of electrical current.
• Power and Energy: Concepts of power, basic formulas.
• Power Sign Convention: The current must enter the positive voltage terminal for power calculation.
• Voltage and Current Sources: Definitions of ideal voltage and current sources.
• Dependent Voltage and Current Sources: Different types of dependent sources.
• Active and Passive Elements: Distinctions between components that generate and those that don't generate electrical energy.
• Electric Resistance: Ohm's Law, Voltage, Power relationships.
• Resistivity: Relationship to resistance, length, area and temperature.
• Conductance: Reciprocal of resistance, measurement in Siemens.
• Resistors in Series/Parallel: Definitions, formulas/rules.
• Effective Resistance of a Circuit: Identifying series and parallel combinations.
• Example Calculations: Specific numerical examples demonstrating methods of calculations.
• Electric Field: Definition, characteristics, force in an electric field.
• Capacitance: Definition of a simple capacitor, capacitance equation.
• Current Flow in a Capacitor: Flow into and out of a capacitor when the voltage changes.
• Energy Stored in an Inductor: Calculating energy.
• Terminologies: Explaining basic circuit elements, such as nodes, branches, loops, and meshes.
• Short-Circuit and Open-Circuit: Definition and representations in circuit.
• Circuit Reduction: Simplifying a complicated circuit to a simpler equivalent circuit.
• Kirchhoff's Current Law (KCL): Analyzing currents at a node (sum of currents into a node is equal to the sum of currents out of a node).
• Kirchhoff's Voltage Law (KVL): Analyzing voltages around a closed loop (the algebraic sum of the potential differences around any closed loop is zero).
• Thevenin's Theorem: Replacing complex circuits by an equivalent circuit consisting of a voltage source (VTH) in series with a resistance (RTH)
• Norton's Theorem: Replacing complex circuits by an equivalent circuit consisting of a current source (IN) in parallel with a resistance (RN).
• Source Transformations: Converting voltage sources to current sources and vice versa.
• Superposition Theorem: Analyzing the effect of each independent source individually to find the total current or voltage.
• Reciprocity Theorem: Exchanging an ammeter and a voltage source in a circuit doesn't change the ammeter reading.
• Delta–Star Transformation: Converting a delta configuration of resistors to a star (wye) configuration and vice versa.