An electric motor
Lesson 2 / 9
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Lesson outcome
I can explain how connections in a motor enable its coil to be driven continually in one direction.
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Wire in a motor is insulated so that the current flows around the coil
Connections in a motor slide over each other to prevent tangled wires
When the coil in a motor kit is horizontal it is connected and a force acts on the sides 90 deg. to the magnetic field
Every half–turn, the coil connections in a motor kit swap over and change the direction of current through the coil
Each side of a coil in a motor kit at 90º to the magnetic field is pushed alternatively up then down every half turn
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