Earth has a magnetic dipole moment of 8.0 1022 J/T. Find the magnitude of current in a single turn wire extending around Earth at its geomagnetic equator to produce a dipole having the same dipole moment. b. Could such an arrangement be used to cancel out Earth's magnetism?
Earth has a magnetic dipole moment of 8.0 1022 J/T. Find the magnitude of current in a single turn wire extending around Earth at its geomagnetic equator to produce a dipole having the same dipole moment. b. Could such an arrangement be used to cancel out Earth's magnetism?
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Transcribed Image Text:Earth has a magnetic dipole moment of 8.0 1022
J/T.
Find the magnitude of current in a single turn of
wire extending around Earth at its geomagnetic equator
to produce a dipole having the same dipole moment.
b. Could such an arrangement be used to cancel out
Earth's magnetism?
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