JSS1 Basic Technology Lesson Note on Basic Electronic Devices

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TOPIC: BASIC ELECTRONIC DEVICES (cont’d.)

CONTENT:

1. Electronic Devices
2. Uses of basic electronic devices

Sub-Topic 1:  BASIC ELECTRONIC DEVICES (CONT’D)

The basic Electronic devices are the devices which emit and control the movement of electrons in a desirable manner used in generation of electronic appliances.

Types of Basic Electronic Devices

1. Semi-conductor
2. Resistor

• Capacitors

1. Transistors etc
2. Semi Conductors: Semi-conductors are those substances whose electrically conductivity lies between the good conductors (metallic substances) and good insulators (non-metallic substances) E.g. Silicon, Germanium.

Types of Semi Conductors

1. The intrinsic semi-conductor also known as pure semi-conductor
2. The extrinsic semi-conductor also known as impure semi-conductors.

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