Questions and Answers
What is the primary function of a magnet?
To trap metallic substances with two opposite ends
What happens when the opposite poles of two magnets interact with each other?
They repel each other
What is the purpose of an electromagnet?
To produce a magnetic field when an electric current is flowing
What is the significance of Hans Christian Oersted's experiment?
Signup and view all the answers
What is the difference between a magnet and an electromagnet?
Signup and view all the answers
Study Notes
Magnets
- A magnet is an object that attracts metallic substances with two opposite ends, called poles.
- The opposite poles of two magnets repel each other, while unlike poles attract.
Interaction with Electric Current
- A compass behaves differently when placed over a wire, indicating the effect of an electric current.
Hans Christian Oersted's Experiment
- Hans Christian Oersted's experiment demonstrated the magnetic field created by an electric current flowing through a wire.
Electromagnets
- An electromagnet consists of a metal, a coil or wire, and an electricity source.
- In an electromagnet, the magnetic field exists only when electric current is flowing.
Studying That Suits You
Use AI to generate personalized quizzes and flashcards to suit your learning preferences.
