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UEENEEE003B<br />Solve Problems in Single Path DC Circuits<br />Effects of Current Flow<br />
When current flows<br />These two effects are always present:<br />heating<br />magnetic<br />These effects may be present...
Lets talk about:<br />cable size / insulation<br />the cooling vanes on electric motors<br />the fan on electric motors<br...
Magnetic<br />A magnetic field is produced in a straight conductor, when current flows.<br />If the conductor is made into...
Limited<br />batteries<br />refining metals<br />8/9/2011<br />Revision02<br />5<br />Chemical<br />
3 DIFFERENT EFFECTS<br />Respiratory<br />Asphyxia	(can’t breathe)<br />Ventricular Fibrillation  (Heart stops pumping blo...
8/9/2011<br />Revision02<br />7<br />
8/9/2011<br />Revision02<br />8<br />
8/9/2011<br />Revision02<br />9<br />
<ul><li>Respiratory
current through the brain, It stops controlling the heart. (not common)</li></ul>Asphyxia<br />0 to 10mA  	Pain<br />10 to...
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E003B current effects

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Transcript of "E003B current effects"

  1. 1. UEENEEE003B<br />Solve Problems in Single Path DC Circuits<br />Effects of Current Flow<br />
  2. 2. When current flows<br />These two effects are always present:<br />heating<br />magnetic<br />These effects may be present:<br />chemical<br />physiological<br />8/9/2011<br />Revision02<br />2<br />
  3. 3. Lets talk about:<br />cable size / insulation<br />the cooling vanes on electric motors<br />the fan on electric motors<br />transformer cooling<br />power station cooling<br />electric soldering iron<br />stoves<br />8/9/2011<br />Revision02<br />3<br />HEATING<br />
  4. 4. Magnetic<br />A magnetic field is produced in a straight conductor, when current flows.<br />If the conductor is made into a coil an electromagnetic is formed.<br />By controlling the current we can control the direction and strength of the magnetic field.<br />Lets talk about:<br />scrap metal handling<br />solenoids<br />motors<br />power station, alternator field winding<br />8/9/2011<br />Revision02<br />4<br />
  5. 5. Limited<br />batteries<br />refining metals<br />8/9/2011<br />Revision02<br />5<br />Chemical<br />
  6. 6. 3 DIFFERENT EFFECTS<br />Respiratory<br />Asphyxia (can’t breathe)<br />Ventricular Fibrillation (Heart stops pumping blood)<br />8/9/2011<br />Revision02<br />6<br />Physiological<br />
  7. 7. 8/9/2011<br />Revision02<br />7<br />
  8. 8. 8/9/2011<br />Revision02<br />8<br />
  9. 9. 8/9/2011<br />Revision02<br />9<br />
  10. 10. <ul><li>Respiratory
  11. 11. current through the brain, It stops controlling the heart. (not common)</li></ul>Asphyxia<br />0 to 10mA Pain<br />10 to 25mA Arm muscles contract<br />30mA plus The chest muscles contract<br />8/9/2011<br />Revision02<br />10<br />Different effects<br />
  12. 12. 8/9/2011<br />Revision02<br />11<br />
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