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Q & A: Field lines of current loop

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Most recent answer: 08/26/2009
Q:
Why is the magnetic field of a circular current carrying conductor straight uniform and perpendicular to the plane only at the centre...Why not at any other part.
- Prudhvi Raj Borra (age 16)
Machilipatnam,Andhra,India.
A:
In fact, all of the field lines at the center plane of a current loop are perpendicular to the plane.
See  http://hyperphysics.phy-astr.gsu.edu/HBASE/magnetic/curloo.html   for a diagram.

LeeH

(published on 08/26/2009)

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