Electronics

1. Charecteristics
   1. Electrical Insulator
   2. Thermal Insulator
   3. Weather Ressistant
   4. Chemical Ressistant
   5. Corrosion Resistant
   6. Heat Resistant
   7. Many Colours
   8. Easily Shaped and Formed
   9. Self Lubricating
   10. Impact Resistant
2. Types
   1. Thermoplastics
      1. Acrylic
      2. Acrylonitrile Butadiene Styrene (ABS)
      3. High Impact Polystyrene
      4. Polyvinyl Chloride (PVC)
      5. Nylon
   2. Thermosetting Plastics
      1. Glass Reinenforced Plastics
      2. Epoxy Resin

1. Types
   1. Hardwoods
      1. Mahogany
      2. Beach
   2. Softwood
      1. Pine
   3. Manufactured Boards
      1. Plywood
      2. MDF
2. Charecteristics
   1. Grain Pattern
   2. Colour
   3. Texture
   4. Workability
   5. Structural Strength

1. Types
   1. Non-Ferrous
      1. Aluminium
      2. Duralumin
      3. Copper
      4. Brass
   2. Ferrous
      1. Mild Steel
2. Charecteristics
   1. Brittleness
   2. Tensile Strength
   3. Elasticity
   4. Ductillity
   5. Malleabillity
   6. Hardness
   7. Toughness

1. Optical Fibre
2. Smart Cable
3. Piezo Transducer
4. Solar Cell
5. Thermocolour Sheet
6. Liquid Crystal Display
7. Smart Wire
8. Quantum Tunnelling Composite

1. One Off
2. Batch Production
3. Mass Production
4. Continues Production
5. Just in Time Production

1. Types
   1. Lithium (non Rechargeable)
   2. Silver Oxide
   3. Nickel Cadmium (Rechargeable)
   4. Zinc Carbon
   5. Alkaline

1. Types
   1. Single Pole Single Throw
   2. Single Throw Double Throw
   3. Double Throw Double Pole
2. Real life examples
   1. Types
      1. Push
      2. Micro
      3. Slide
      4. Rocker
      5. Vibration
      6. Tilt
      7. Toggle
      8. Proximity
      9. Reed
      10. Rotary
      11. Key

Nota:

• See Flash Cards

1. See Flash Cards

1. LDR
   1. If dark resistance rises to 10k
   2. If light resistance falls to 1K
2. Thermister
   1. If hot resistance falls
   2. If Cold resistance increses

1. Uses
   1. Create Time Delays (monostable)
   2. Control Frequency or pulse generates (Astable)
   3. Smooth the input across power supply
2. Measurments
   1. 1 Microfarad
   2. 1 Nanofarad
   3. 1 Picofarad

1. Same Then Half the volatge
2. Bottom higher then higher than half
3. Top higher then less than half