Two methods for measuring the Earth's magnetic field are described. In the former, according to Gauss, the Earth’s magnetic field is compared with that of a permanent magnet; in the latter, a well-known method, the comparison is made with the magnetic field generated by a current. As all the used instruments are available off the shelf, both methods are cheap. With some attention to the procedure, both methods give accurate results.
Measuring the Earth's magnetic field in a laboratory / A Cartacci; S Straulino. - In: PHYSICS EDUCATION. - ISSN 0031-9120. - STAMPA. - 43:(2008), pp. 412-416. [10.1088/0031-9120/43/4/010]
Measuring the Earth's magnetic field in a laboratory
CARTACCI, ANNA MARIA;STRAULINO, SAMUELE
2008
Abstract
Two methods for measuring the Earth's magnetic field are described. In the former, according to Gauss, the Earth’s magnetic field is compared with that of a permanent magnet; in the latter, a well-known method, the comparison is made with the magnetic field generated by a current. As all the used instruments are available off the shelf, both methods are cheap. With some attention to the procedure, both methods give accurate results.
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