Foundations of Electromagnetism: Magnetic Effects of Electric Current

Why do electric currents generate magnetic fields, and how does this phenomenon power our modern world? Understanding the relationship between electricity and magnetism is a cornerstone of classical physics and a critical topic for competitive engineering exams. This text-based course guides you from fundamental concepts to solving complex electromagnetic problems. You will develop a strong intuitive grasp of magnetic fields, forces on moving charges, and electromagnetic induction, establishing a solid foundation for advanced physics. What you'll learn: Understand the fundamental laws governing magnetic fields, including the Biot-Savart Law and Ampere's Law; Calculate magnetic forces acting on moving charges and current-carrying conductors; Analyze the behavior of solenoids, toroids, and magnetic materials under different conditions; Apply electromagnetic principles to modern technological applications like electric motors and magnetic levitation; Practice solving typical exam-style problems through step-by-step written derivations. The course begins with essential terminology, basic concepts, and foundational definitions before progressing to mathematical formulations and practical problem-solving. This course is designed for beginners, high school physics students, and aspirants of engineering entrance exams who want to build a rock-solid understanding of electromagnetism from scratch. Start reading today to unlock the core principles of electromagnetic physics.