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Re: [Phys-l] solenoidal and cylindrical EM sourced magnetic fields.




On 2011, Jun 10, , at 07:11, Moses Fayngold wrote:


So a solid coil, i.e. not a solenoid has the same field?
As far as we are interested in the FAR field (its dependence on distance), it
is the same for all three objects - a circular coil, a solenoid, or a
cylindrical magnet.



My solid coil is many (to fill space) solenoids inside each other (co-axial) does this make a difference?


bc again not clear.