Day 4: Subtracting Background Fields to Reveal Desired Field
Lesson Plan


Homework:

Predict what the magnetic field map of two bar magnets would look like for the following orientations.

  

      S

    -----

    |   |

a)  |   |        |---------------------|

    |   |      N |                     | S

    |   |        |---------------------|

    -----

      N





       |---------------------|        |---------------------|

b)   N |                     | S    N |                     | S

       |---------------------|        |---------------------|





       |---------------------|        |---------------------|

c)   N |                     | S    S |                     | N

       |---------------------|        |---------------------|





      N            S

    -----        -----

    |   |        |   |

d)  |   |        |   |           

    |   |        |   |

    |   |        |   |

    -----        -----

      S            N





      N            N

    -----        -----

    |   |        |   |

e)  |   |        |   |           

    |   |        |   |

    |   |        |   |

    -----        -----

      S            S





Lesson Development/Writing: Ed Eckel
Web Design: Theresa Valentine
Last Updated: 8/24/2000