Introduction to the Magnetic Effects of Electric Current

Electricity and magnetism are deeply interconnected forces that power our modern world. Understanding how electric currents generate magnetic fields is essential for anyone interested in physics, engineering, or electronics. This text-based course guides you from absolute beginner concepts to a solid grasp of electromagnetism. You will learn to calculate magnetic fields, understand electromagnetic induction, and see how these principles apply to modern technologies like electric motors and sensors. What you'll learn: 1. Understand the fundamental relationship between electricity and magnetic fields. 2. Calculate magnetic forces on moving charges and current-carrying conductors. 3. Apply Biot-Savart Law and Ampere's Law to find magnetic fields in various geometries. 4. Analyze the working principles of electromagnets, solenoids, and electric motors. 5. Explore modern applications of electromagnetism in electric vehicles and sensor technologies. 6. Practice solving foundational electromagnetism problems through structured written exercises. You will start with core definitions and historical experiments, then progress through mathematical formulations, and finish by reading about real-world engineering applications. This course is designed for high school physics students, introductory engineering undergraduates, or curious self-learners with no prior background in electromagnetism. Start reading today to unlock the principles that drive modern electrical engineering.