Thread with current in a magnetic field



Educational phase: motivation


Experiment schema+


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Experiment video+

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Physical interpretation+

The conductor has a current in a magnetic field magnetic force. The cause of the magnetic forces acting on the conductor with current in a magnetic field, the interaction of magnetic fields and current-carrying wire magnetic field of the magnet. The direction of force depends on the position of the magnet to the wire and the direction of current through the conductor. To determine the direction of the magnetic force acting on the direct current-carrying conductor in a homogeneous magnetic field, is Fleming left hand rule: attach the open left hand to direct leads to finger pointing conventional current and magnetic lines entering into the palm, shows the towing direction of thumb force exerted by a magnetic field on the conductor with the flow.
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This experiment has been added 14.4.2012 by Jan Krejčí and since then have 7319 visits.
3.6.2014 21:44 © Krejčí Jan