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CONTENTION: Occasionally nominally "pure" copper
wire is contaminated with ferrous materials. [At least one
manufacturer that I know of advertises 99.9% pure copper
wire. - das]
This amount of ferrous contamination is so TINY that
almost anybody would consider it insignificant. BUT,
there is at least the supposition that there are some
toroidal coils wound for magnetomers that are perfect
in every verifiable respect and they do NOT work. [Real
life example would be most valuable if anyone has one. - das]
ANSWER (Important - I THINK - das)
PLEASE do a reality check by winding some ferrous wire
over an existing functioning toroid an see how many Fe is
needed to make the thing not working any more!
This all is to save work(!), time(!) and money(!) and to
puzzle the poor manufacturers not too much ;-)
Famous last words: Oh, a Tesla coil - I heard you
can touch it without getting hurt ---> Zzzzzapp...
wire is contaminated with ferrous materials. [At least one
manufacturer that I know of advertises 99.9% pure copper
wire. - das]
This amount of ferrous contamination is so TINY that
almost anybody would consider it insignificant. BUT,
there is at least the supposition that there are some
toroidal coils wound for magnetomers that are perfect
in every verifiable respect and they do NOT work. [Real
life example would be most valuable if anyone has one. - das]
ANSWER (Important - I THINK - das)
PLEASE do a reality check by winding some ferrous wire
over an existing functioning toroid an see how many Fe is
needed to make the thing not working any more!
This all is to save work(!), time(!) and money(!) and to
puzzle the poor manufacturers not too much ;-)
Famous last words: Oh, a Tesla coil - I heard you
can touch it without getting hurt ---> Zzzzzapp...