The principle of measuring instruments - immersive magnet co

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This experiment demostrates principle ferromagnetic meter vtahujícího odpuzijícho or permanent magnet.

Educational phase: motivation

 

Required aids+

  • load cell
  • stand
  • connecting wires
  • coil
  • magnet
  • battery switch.

 

Experiment schema+

Scheme author is Mgr. Karel Stibor

This experiment demostrates principle ferromagnetic meter vtahujícího odpuzijícho or permanent magnet.
 

Experiment instructions+

E120_S001 When the switch is open, roll out of the coil.
E120_S002 When the switch is pulled into the hollow cylinder coil.
E120_S003 Turn the direction of the current through the coil.
E120_S004 When the switch is open, rolling pin in the coil.
E120_S005 When the switch is expelled from the hollow cylinder coil.
E120_S006 When the switch is expelled from the hollow cylinder coil.
 

Explanation+

The principle of these devices is based on the power effect of ferromagnetic core plates located in a magnetic field coil. The hollow cylindrical coil vtahovánmagnet on the spring which caused the power steering. This principle is strongly reminiscent of the electromagnet, so these devices sometimes referred to as electromagnetic. Depending on the magnet current may have pulled or expelled from the reel.
 

Experiment video+

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Application in practice+

Ferromagnetic measuring instruments.
 
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This experiment has been added 14.4.2012 by Jan Krejčí and since then have 4566 visits.
 
3.6.2014 21:44 © Krejčí Jan
 
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