Electromagnets

What Is an Electromagnet

• They are magnets
• They only have poles when electricity is present

What's the Difference?

• Electromagnets let go when they should
• Conventional Magnets don't require electricity
• Electromagnets don't stick to refrigerator doors
• It's harder to use a conventional magnet to power things
•  Electromagnets can change polarity

Use

• Electromagnets are used more often in appliances
• Electromagnets are used to power green generators

Fin