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Physics 14 Online
OpenStudy (anonymous):

which is correct: electric current produces a magnetic or magnetic produce electrict current....

OpenStudy (ash2326):

Both are correct, electric current produces magnetic field, and change in magnetic field induces a current.

OpenStudy (jamesj):

You might enjoy watching at least the first demonstration in this lecture: http://ocw.mit.edu/courses/physics/8-02-electricity-and-magnetism-spring-2002/video-lectures/lecture-11-magnetic-field-and-lorentz-force/

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