Electricity and Magnetism: Magnetic Fields and Faraday's Law

Understanding how electric currents and magnetic fields interact is the foundation of modern technology, powering everything from electric motors to wireless chargers. This text-based course guides you through the essential physics of magnetism and electromagnetic induction without requiring prior advanced physics coursework. By reading our structured explanations and working through practical written exercises, you will build a strong intuitive and mathematical foundation in electromagnetism, transitioning from basic definitions to solving real-world physics scenarios involving moving charges and changing magnetic flux. What you'll learn: Understand the fundamental properties of magnetic forces and how they act on moving charges; Calculate magnetic fields using key physics principles like the Biot-Savart Law and Ampere's Law; Apply Faraday's Law of Induction and Lenz's Law to determine induced electromotive force and current direction; Analyze the relationship between electricity and magnetism in practical systems like inductors and generators; Practice solving classical electromagnetism problems through step-by-step written derivations and conceptual exercises. The course begins with foundational concepts of magnetic poles and forces, then progresses to the mathematical laws governing magnetic fields, and concludes with electromagnetic induction and its modern technological applications. This course is designed for beginners, science students, and self-learners looking to master introductory physics; no prior exposure to electromagnetism is needed, though basic algebra is helpful. Start reading today to unlock the mysteries of electromagnetic forces and induction.