http://tinypic.com/r/24giz40/6 The Figure below shows the magnetic fields from a

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http://tinypic.com/r/24giz40/6

The Figure below shows the magnetic fields from a bar magnet. Each of the red arrows represents the direction and magnitude (length of the arrow) of the magnetic field at that point. In addition there is a constant and uniform earth's magnetic field and this is represented by the green arrow. Only one green arrow is drawn, however bear in mind the earth's field is constant throughout the Figure. Your task is to work out the direction of the resultant magnetic field at the different points. Use the compass rose as your direction. Choose the direction that is closest to one of the directions. (Note: For the lab, the direction at each location is determined by using a small compass.)


The resultant magnetic field at P is along .

Explanation / Answer

at P no magnetic field, cancelled by earth. at M south at L SE at R E at k SE at G SE

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