Practical Applications of Electro- magnetism © David Hoult 2009.

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Presentation transcript:

Practical Applications of Electro- magnetism © David Hoult 2009

Electro-magnetic Relay © David Hoult 2009

Simple Direct Current Motor © David Hoult 2009

The force acting on side a – b will be directed © David Hoult 2009

The force acting on side a – b will be directed downwards so the rotation will be © David Hoult 2009

The force acting on side a – b will be directed downwards so the rotation will be anti-clockwise (viewed from the front of the motor) © David Hoult 2009

Moving Coil Loudspeaker © David Hoult 2009