Physics I Class 23 The Magnetic Field
Magnetism in Ancient Times
Peter Peregrinus
William Gilbert
Magnetic Forces Between Poles “Opposites Attract”
Why Is A Magnet Attracted to Some Materials (Refrigerators)?
What Happens If You Try to Separate North and South Poles?
Magnetic Field Lines
Electromagnetism
Units of Magnetic Field
Class #23 Take-Away Concepts
Class #23 Problems of the Day
Answer to Problem 1 for Class #23
Class #23 Problems of the Day
Answer to Problem 2 for Class #23
Activity #23 Introduction to Magnetic Fields