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tnutty
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Homework Statement
What is the magnetic field strength on Earth's surface at either pole?
Earth's magnetic dipole moment is D_0
What is the magnetic field strength on Earth's surface at either pole?
B = ____ G
Homework Equations
_u = NIA ; N is the number of turns I is current, A is the corss sectional area
The Attempt at a Solution
I am not sure, they give _u = D_0, but U am not sure what to equate this to.