What do semiconductors do?

The role of semiconductor

A semiconductor is a material between a conductor and an insulator. Its conductivity is controllable and can be changed as needed. Semiconductors have a variety of applications, including making electronic devices such as:

Electronic Devices

• ##Diode: Allows current to flow in one direction , for rectification and switching applications.
• Transistor: Amplifies or switches electronic signals and is the cornerstone of modern electronic devices.
• Integrated circuit (IC): A tiny circuit composed of millions to billions of transistors used in computers, smartphones, and other electronic devices.
• Photodiode: Converts light into electrical energy for use in solar cells and fiber optic communications.
• Light-emitting diode (LED): Convert electrical energy into light energy for lighting, displays and signals.

Other applications

• Solar cells: Convert solar energy into electrical energy.
• Thermal appliance: Convert thermal energy into electrical energy, or electrical energy into thermal energy.
• Hall effect sensor: Measures the magnetic field.
• Varasistor: Changes its resistance as the applied voltage changes.

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