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cloveb cloveb
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3 years ago
Let’s model the Earth’s magnetic field as resulting from a current loop inside the earth, in the
plane of the equator. Specifically, assume the current loop has radius a = RE/2 and its center
coincides with the center of the earth. Given that the magnetic field strength on the Earth’s
surface at the poles is B(RE) = 6.0×10-5
T, what is the magnetic field strength at the center of the
Earth? (RE is the radius of the Earth and equals 6.3×106 m)
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#1
Staff Member
3 years ago
 6.7×10-4
T
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