i would like the electromagnet to be easily buildable and not require complex calculations and advanced knowledge.
An electromagnet works by using electricity to create a magnetic field. When an electric current flows through a wire, it creates a magnetic field around the wire. By coiling the wire and passing a current through it, the magnetic field becomes stronger.
To build an electromagnet, you will need a power source, such as a battery or power supply, a conducting wire, and a ferromagnetic material, such as iron, that can be magnetized.
The strength of an electromagnet can be increased by increasing the number of coils in the wire, increasing the current flowing through the wire, and using a ferromagnetic material with a high magnetic permeability, such as iron or steel.
Yes, the strength of an electromagnet can be controlled by adjusting the amount of current flowing through the wire. By increasing or decreasing the current, you can make the electromagnet stronger or weaker.
Electromagnets have a variety of practical applications, including use in motors, generators, speakers, MRI machines, and particle accelerators. They are also used in everyday objects such as doorbells, refrigerators, and speakers.