Earth has a magnetic dipole moment of 8.0 1022 J/T. (a) What current would have to be
Chapter 32, Problem 55(choose chapter or problem)
Earth has a magnetic dipole moment of 8.0 1022 J/T. (a) What current would have to be produced in a single turn of wire extending around Earth at its geomagnetic equator if we wished to set up such a dipole? Could such an arrangement be used to cancel out Earths magnetism (b) at points in space well above Earths surface or (c) on Earths surface?
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