Electromagnetism
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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 Kinetic and potential energy. Conservation of energy.
- 4-ELM-07 Power
- 4-ELM-08 Revision and test
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