The New Encyclopaedia Britannica, Volume 6Encyclopaedia Britannica, 1974 - Encyclopedias and dictionaries |
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Page 27
... magnet with its two magnetic poles situated in regions near the geographical poles ( Figure 1 ) . In the sense of exact science , however , a full under- standing of the distribution of the Earth's magnetic field was not achieved until ...
... magnet with its two magnetic poles situated in regions near the geographical poles ( Figure 1 ) . In the sense of exact science , however , a full under- standing of the distribution of the Earth's magnetic field was not achieved until ...
Page 28
... MAGNETIC FIELD Elements of the geomagnetic field . The intensity , or strength , of a magnetic field at a given point is defined as the force exerted on a unit north pole positioned at that point . Fields are sometimes called field ...
... MAGNETIC FIELD Elements of the geomagnetic field . The intensity , or strength , of a magnetic field at a given point is defined as the force exerted on a unit north pole positioned at that point . Fields are sometimes called field ...
Page 29
... magnet is inclined about 11 ° of arc from the Earth's geo- graphical axis so that a pole of the magnet is directed to- ward northern Canada , then the distribution of all mag- netic elements of the magnetic field caused by the hypo ...
... magnet is inclined about 11 ° of arc from the Earth's geo- graphical axis so that a pole of the magnet is directed to- ward northern Canada , then the distribution of all mag- netic elements of the magnetic field caused by the hypo ...
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