Module 3 Electrical Fundamentals study materials
Module 3 Electrical Fundamentals study resources

Module 3 Electrical Fundamentals study plan

Module 3 Electrical Fundamentals · Give each week a clear focus.

8 weeks · About 6 hours per week

Week 1

AC Theory and AC Circuits & DC Circuits

  • Define and compute RMS, average, peak, and peak-to-peak values for sinusoidal waveforms.

  • Explain phase relationships between voltage and current in purely resistive, inductive, and capacitive AC circuits.

  • Calculate impedance in series and parallel RLC circuits using complex numbers or phasor diagrams.

  • Apply Ohm's and Kirchhoff's laws to solve DC series, parallel, and series-parallel circuits with multiple sources.

  • Solve for unknown currents and voltages using mesh and nodal analysis on simple DC networks.

Your checkpoint

A worked problem set of 10 AC and 10 DC circuit problems with step-by-step solutions and phasor sketches.

Week 2

AC Theory and AC Circuits & Inductance and Inductors

  • Compute resonant frequency, bandwidth, and Q factor for series and parallel RLC circuits.

  • Analyze the effect of frequency on reactance and impedance in AC circuits.

  • Describe how inductance depends on coil geometry, core material, and number of turns.

  • Calculate induced EMF using Faraday's and Lenz's laws for changing magnetic fields.

  • Explain self-inductance, mutual inductance, and the role of inductors in filtering and energy storage.

Your checkpoint

A one-page summary sheet of AC resonance and inductance formulas with a solved example for each formula.

Week 3

Capacitance and Capacitors & Magnetism

  • Calculate equivalent capacitance for series and parallel capacitor networks.

  • Determine charge, voltage, and energy stored in capacitors, including transient charging/discharging behavior.

  • Describe the properties of magnetic fields produced by permanent magnets and current-carrying conductors.

  • Apply the right-hand rule to determine magnetic field direction around a straight wire and inside a solenoid.

  • Explain magnetic hysteresis, permeability, and reluctance in magnetic circuits.

Your checkpoint

A concept map linking capacitance, electric fields, magnetic fields, and inductance, with at least 10 labeled connections and a solved capacitor transient problem.

Week 4

Resistance and Resistors & Power

  • Calculate resistance from resistivity, length, and cross-sectional area, and explain temperature effects.

  • Determine equivalent resistance for series, parallel, and series-parallel resistor networks.

  • Apply the resistor color code to read and specify resistor values and tolerances.

  • Compute electrical power using P = VI, P = I²R, and P = V²/R in DC and AC circuits.

  • Analyze power dissipation and efficiency in resistive circuits, including maximum power transfer.

Your checkpoint

A resistor and power problem set (10 problems) with a color-code reference table and a power budget for a simple circuit.

Week 5

Electrical Terminology & DC Sources of Electricity

  • Define and relate voltage, current, resistance, conductance, charge, and energy with correct units.

  • Describe the construction, characteristics, and applications of primary and secondary cells.

  • Explain battery capacity, internal resistance, and series/parallel connection of cells.

  • Compare DC power sources: batteries, generators, solar cells, and rectified AC.

  • Calculate battery life and terminal voltage under load for given internal resistance.

Your checkpoint

A comparison table of at least five DC sources with key parameters and a worked battery-life calculation.

Week 6

Generation of Electricity & Static Electricity and Conduction

  • Explain the principles of electromagnetic induction, including Faraday's law and Lenz's law.

  • Describe how generators and alternators produce EMF from mechanical energy.

  • Explain static electricity, charging methods (friction, induction, conduction), and Coulomb's law.

  • Describe conduction in solids, liquids, and gases, including the role of free electrons and ions.

  • Identify electrostatic hazards and protective measures in aircraft and electronic systems.

Your checkpoint

A written explanation (300 words) of how a generator produces electricity, including a diagram, plus a list of static discharge precautions.

Week 7

Electron Theory & DC Circuits

  • Describe atomic structure, electron shells, and the behavior of valence electrons in conductors, semiconductors, and insulators.

  • Explain the difference between conventional current and electron flow.

  • Apply Kirchhoff's voltage and current laws to complex DC circuits with multiple loops.

  • Use Thevenin's and Norton's theorems to simplify DC networks.

  • Solve for maximum power transfer conditions in DC circuits.

Your checkpoint

A set of 8 mixed electron theory and DC circuit analysis problems with full solutions, including one Thevenin equivalent circuit.

Week 8

AC Theory and AC Circuits & DC Circuits & Capacitance and Capacitors & Inductance and Inductors

  • Integrate AC and DC concepts to analyze mixed circuits with resistors, capacitors, and inductors.

  • Solve problems involving transient response in RC and RL circuits.

  • Compute power factor and apparent, real, and reactive power in AC circuits.

  • Review and solve practice problems covering all domains, focusing on weak areas identified in prior weeks.

  • Complete a timed mock exam under realistic conditions.

Your checkpoint

A timed 40-question mock exam with a score report and a personalized review sheet listing three areas for final review.

Milestones

Week 2: Can solve series and parallel RLC circuit problems for impedance and resonance without reference materials, scoring at least 80% on a self-made quiz.

Week 4: Can correctly calculate resistance, power, and energy in mixed circuits, and interpret resistor color codes, achieving 90% on a 20-question quiz.

Week 6: Can explain the principles of electricity generation and static electricity, and solve related numerical problems, with a score of at least 75% on a practice set.

Week 8: Score at least 75% on the timed mock exam and demonstrate mastery of at least 80% of the learning objectives across all domains.