The heart produces a weak magnetic field that can be used
Chapter 29, Problem 29.91(choose chapter or problem)
The heart produces a weak magnetic field that can be used to diagnose certain heart problems. It is a dipole field produced by a current loop in the outer layers of the heart. a. It is estimated that the field at the center of the heart is 90 pT. What current must circulate around an 8.0-cm-diameter loop, about the size of a human heart, to produce this field? b. What is the magnitude of the hearts magnetic dipole moment?
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