If you download a textbook, you’ll see four famous equations by James Clerk Maxwell. Don't let the math scare you; they essentially say four simple things: Electric charges create electric fields.
For a long time, scientists thought electricity and magnetism were two different things. In the 1800s, they realized they are actually two sides of the same coin.
Converting electricity into motion (fans, Tesla cars, blenders). Generators: Converting motion into electricity.
A changing electric field (or a current) creates a magnetic field. 4. Why Does It Matter?
Similar to electric fields, these are the invisible areas around a magnet where "magnetic force" is felt. In electromagnetism, we focus on how creates these fields. Electromagnetic Induction
Whenever electricity flows (like through a wire), it creates a magnetic field. Conversely, moving a magnet near a wire can create an electric current. 2. Key Concepts You’ll Find in Any PDF Guide