Using Electromagnets

The video explains how electromagnets work, highlighting their ability to be turned on and off, which is a unique feature compared to regular magnets. It discusses the advantages of electromagnets, such as their ease of assembly and strength, making them useful in various applications like junkyards and motors. The video also covers how to enhance electromagnet power by adding loops to the solenoid or increasing the electric current. It explores the applications of electromagnets in engines and household appliances, emphasizing their controllability. Finally, it addresses the limitations of electromagnets, such as their reliance on power, which can be a disadvantage in some situations.

What is the primary function of an electromagnet?

What are the advantages of using electromagnets over regular magnets?

Explain how the strength of an electromagnet can be increased.

Describe a common application of electromagnets in everyday life.

Discuss a disadvantage of electromagnets compared to permanent magnets.