The principle of measuring instruments - two rollers in the

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This experiment demostrates ferromagnetic measuring principle přístrojes two mA ferromagnetic coil rolls in the cavity.

Educational phase: motivation

 

Required aids+

  • coil
  • connecting wires
  • battery
  • switch
  • two ferromagnetic cylinders
  • pad

 

Experiment schema+

Scheme author is Mgr. Karel Stibor

This experiment demostrates ferromagnetic measuring principle přístrojes two mA ferromagnetic coil rolls in the cavity.
 

Experiment instructions+

E118_S001 Connect with rollers roll over the switch to the battery.
E118_S002 Current does not pass, both rollers are in the bottom corner of the cavity coils. Closes switch.
E118_S003 Current through the coil, rollers repel.
E118_S004 The switch is closed, no rollers neodpuzují - detail.
E118_S005 Rollers repel - detail.
 

Explanation+

The coil is connected to the source induces a magnetic field. Consistently sticks and magnets will repel each other. The more current flowing the coil, the more they repel.
 

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 4520 visits.
 
3.6.2014 21:44 © Krejčí Jan
 
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