Magnets and Electromagnetism: Electricity and Magnetism

The video explains how everyday activities like turning on a light involve energy created with the help of magnets. It highlights the close relationship between electricity and magnetism, noting that each can generate the other. The video also covers historical scientific observations, such as the movement of a compass needle near an electric current, leading to the conclusion that electric currents produce magnetic fields. Additionally, it discusses how twisting a wire into loops, forming a solenoid, increases magnetic force.

What happens to a compass needle when an electric current comes close to it?

What is a solenoid and how does it affect magnetic force?