Difference between revisions of "Electromagnetism"

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(New page: =Lesson Order= *4-ELM-01 Electric Motors. *4-ELM-02 Left hand rule. *4-ELM-03 Electromagnetic induction. *4-ELM-04 Transformers. *4-ELM-05 Work done. *4-ELM-06 Kin...)
 
(Topics covered)
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=Topics covered=
 
=Topics covered=
* The difference between scalars and vectors
+
* Flemings laft hand rule. Uses.
* Adding forces along a line
+
* generation of energy by the rotation of a magnet
 
* Recall and use of Moment = force x perpendicular distance from pivot
 
* Recall and use of Moment = force x perpendicular distance from pivot
 
* The weight of a body acts through the centre of gravity
 
* The weight of a body acts through the centre of gravity

Revision as of 06:59, 20 April 2009

Lesson Order

Topics covered

  • Flemings laft hand rule. Uses.
  • generation of energy by the rotation of a magnet
  • Recall and use of Moment = force x perpendicular distance from pivot
  • The weight of a body acts through the centre of gravity
  • The principle of moments
  • The upward force on a light beam varies with the position on a heavy object placed on the beam
  • How extension varies with applied force for helical springs, metal wires and rubber bands
  • Hooke's Law
  • Elastic behaviour and plastic deformation
  • Pressure = force / area
  • Density = mass / volume
  • Direct measurement of the density of solid, liquid and gas