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Science Forum Index » Physics - Electromagnetic Forum » Is it possible to produce a gradient magnetic field using th
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| wang |
 Posted: Sat Feb 10, 2007 1:19 pm |
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DEARS
Is it possible to produce a gradient magnetic field using three
orthogonal current coils ?
with the highest gradient point at the center of the coils ?
Hope you answer.. |
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| Autymn D. C. |
| Posted: Sat Feb 10, 2007 1:31 pm |
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On Feb 10, 9:19 am, "wang" <Xufei.W...@gmail.com> wrote:
Quote: Is it possible to produce a gradient magnetic field using three
orthogonal current coils ?
Yes, add their vectors.
Quote: with the highest gradient point at the center of the coils ?
The opposite directions cancel inside the loops. The field is
steepest in each wire. With three loops, it's at the octant. |
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| wang |
| Posted: Sat Feb 10, 2007 9:44 pm |
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OK, thanks.
yes, I think the strongest field is in the octant, but for the
gradient of the field,
I am not sure if the center is the strongest point,
somebody told me the center part may show a relatively homogeneous
region, gradient is not so high.
Is that so ?
On 2月11日, 上午1时31分, "Autymn D. C." <lysde...@sbcglobal.net> wrote:
Quote: On Feb 10, 9:19 am, "wang" <Xufei.W...@gmail.com> wrote:
Is it possible to produce a gradient magnetic field using three
orthogonal current coils ?
Yes, add their vectors.
with the highest gradient point at the center of the coils ?
The opposite directions cancel inside the loops. The field is
steepest in each wire. With three loops, it's at the octant. |
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| Autymn D. C. |
| Posted: Sun Feb 11, 2007 4:09 am |
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On Feb 10, 5:44 pm, "wang" <Xufei.W...@gmail.com> wrote:
Quote: OK, thanks.
yes, I think the strongest field is in the octant, but for the
gradient of the field,
I am not sure if the center is the strongest point,
somebody told me the center part may show a relatively homogeneous
region, gradient is not so high.
Is that so ?
should be 0 for both |
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