-A circular loop of wire, with radius R, lies in the xy plane (centered at the origin) and carries a current I running counterclockwise as viewed from the positive z axis. (a) What is its magnetic dipole moment? (b) What is the (approximate) magnetic field at points far from the origin? (c) Show that, for points on the z axis, your answer is consistent with the exact field (Ex. 5.6), when z » R.
-A circular loop of wire, with radius R, lies in the xy plane (centered at the origin) and carries a current I running counterclockwise as viewed from the positive z axis. (a) What is its magnetic dipole moment? (b) What is the (approximate) magnetic field at points far from the origin? (c) Show that, for points on the z axis, your answer is consistent with the exact field (Ex. 5.6), when z » R.
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Transcribed Image Text:-A circular loop of wire, with radius R, lies in the xy plane (centered
at the origin) and carries a current I running counterclockwise as viewed from the
positive z axis.
(a) What is its magnetic dipole moment?
(b) What is the (approximate) magnetic field at points far from the origin?
(c) Show that, for points on the z axis, your answer is consistent with the exact field
(Ex. 5.6), when z » R.
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