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Design
and
Technology
- Mechanisms
- Motion
- Cams
- Levers
- Levers
- Cams
- Motion
- Electricity
- Flow of spare electrons through a material
- Materials with large number of spare
electrons = conductors
- Materials with few = Insulators
- Air, Wood, Plastic
- Very high resistance
- Impede flow of spare electrons
- Impede flow of spare electrons
- Air, Wood, Plastic
- Gold, silver, bronze, steel, water, etc
- Very low resistance
- Doesn't impede flow of spare electrons
- Doesn't impede flow of spare electrons
- Materials with few = Insulators
- LED's
- Politic [Have +/- poles] Must
be connected correct way
round
- Politic [Have +/- poles] Must
be connected correct way
round
- Symbols
- Potential Dividers
- Sensing Circuit
- Current
- The
physical
number of
spare
electrons
moving
- The
physical
number of
spare
electrons
moving
- Voltage
- The push causing
the spare electrons
to move
- The push causing
the spare electrons
to move
- Transistor
- Transistors = Switch
- Take small current and turn into large one
- Amplification
- Amplification
- Take small current and turn into large one
- Transistors = Switch
- Flow of spare electrons through a material
Recursos multimedia adjuntos
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