Chapter 20 Magnetism

SmartBoard Pre-Lecture Notes for Chapter 20

Chapter 20 Giancoli 6th Edition Web Resources

AP Syllabus

Chapter 20 Homework

Chapter Outline:

20-1  Magnets and Magnetic Fields (pg. 554)

• Properties of magnets
• The magnetic field
• Moving electrical charges produce magnetic fields
• The Earth's magnetic field

20-12  Magnetic Domains (pg. 573)   RE: Magnetic Domains

• Ferromagnetic materials
• Tiny magnetic regions: domains
• Electron spin: an atomic look at magnetism

Magnetism Lab RE: Lab Information

20-2  Electric Currents Produce Magnetism (pg. 557)

• Oersted's discovery
• B fields around current carrying wires
• The first right hand rule

20-3  Force on Electric Current in a B Field (pg. 558)   RE: Magnetic Force

• The 3D relationship between F, I and B
• The second right hand rule
• Measuring a magnetic field

20-4  Force on Electric Charge moving in a B Field (pg. 560)  

• Moving charges in a B field produce a force
• The 3D relationship between F, q and v
• The third right hand rule
• An electron's path in a uniform B field
• The Aurora Borealis

20-5  Magnetic Field Around a Straight Wire (pg. 563)

• Calculation of B near a wire

20-6  Force between 2 Parallel Wires (pg. 565)

• Calculating force between two current carrying wires