Magnetism
PPT Slide
Magnetic Field
Magnetic Field Vectors Due to a Bar Magnet
Earth’s interior consists of a rocky mantle and an iron rich core
The Earth’s magnetic field is caused by dynamo movements in Earth’s core
The Earth’s magnetic field shield us from the stream of charged particles from the Sun called the solar wind
Relevance of Earth’s protective magnetosphere
Did you know:
Sun Spots
The Sun’s magnetic fields create sunspots
Magnetic field lines connect sunspots on the Sun’s photosphere
Solar magnetic fields also create other atmospheric phenomena
Some typical fields:
Magnetic Force
Magnetic Force on a Beam
Electric and Magnetic Fields
Motors and Generators
Motors
Question
Questions
Email: lwilliam@stars.sfsu.edu
Home Page: http://cannon.sfsu.edu/~lwilliam