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what is "localised" and "global" magnetic field?

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atiefs

atiefs

Electrical
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Oct 21, 2002
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i am having problem to find the meaning of "localised" and "global" term in magnetic field analysis. can anybody give me some ideas on this?

 
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The Earth has a magnetic field that we tend to treat as a uniform and well-behaved thing. However, there are "magnetic anomalies" all over the globe, due to varying densities and types of underlying materials in the crust.

TTFN
 
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