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References: Electronics Fundamentals

  1. Ohm's law - Wikipedia - Explains the V = I × R relationship at the core of every circuit calculation. Directly supports this chapter's resistor and current-limiting math.

  2. Resistor - Wikipedia - Covers what resistors do, the color-code system, and series/parallel behavior. Reinforces the chapter's coverage of choosing current-limiting resistors.

  3. Electric current - Wikipedia - Describes current, voltage, and how charge flows through a circuit. Background for understanding why circuits behave the way the chapter describes.

  4. Make: Electronics (3rd Edition) - Charles Platt - Make Community - A celebrated learn-by-doing book whose early chapters on voltage, current, resistance, and LEDs map closely to this chapter's goals.

  5. Practical Electronics for Inventors (4th Edition) - Paul Scherz & Simon Monk - McGraw-Hill - A thorough reference on components and circuit behavior for students who want deeper electronics theory than the chapter provides.

  6. DC Circuits Textbook - All About Circuits - A free, well-illustrated online textbook covering voltage, current, resistance, and Ohm's law. Excellent companion reading for this chapter.

  7. Voltage, Current, Resistance, and Ohm's Law - SparkFun - A beginner tutorial with water-pipe analogies and clear diagrams. Reinforces the core electrical concepts taught in this chapter.

  8. DC Circuit Theory - Electronics Tutorials - Step-by-step explanation of Ohm's law and basic circuit analysis with worked examples. Good practice for the chapter's calculations.

  9. Resistors - SparkFun - Explains resistor types, the color code, and how to pick values. Directly supports the chapter's resistor-selection guidance.

  10. Circuits Topic - Khan Academy - Free video lessons and exercises on current, voltage, and resistance. A friendly way to review the electrical fundamentals in this chapter.