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#Mon Aug 09 12:08:41 CEST 2010
Text__2Cx3cKOdEd-WfYQ0GneCwQ_text=<p>A current is applied to one end of a bar magnet, and discharged in the middle by means of a wire immersed in a channel filled with mercury. The magnet starts rotating under the influence of the magnetic field that builds up around it.</p>
Text__2Cx3cKOdEd-WfYQ0GneCwQ_title=Magnetic Field of a Conductor