Q1
What is meant by a semiconductor?
A semiconductor is a material that possesses electrical conductivity between an insulator and a conductor. Semiconductors are used in the production of different types of electronic devices, including transistors, integrated circuits and diodes.
Q2
What is a diode?
A diode is an electrical device that allows the flow of charges (current) in only one direction. A diode is denoted by a triangle symbol with a single line across one vertex.
Q3
What is the full form of an LED?
Light-emitting diode is the full form of LED.
Q4
What are the common uses of LEDs?
LEDs are used in TV backlighting, smartphone backlighting, LED displays, automotive lighting, etc.
Q5
Give a few examples of LED displays.
LED display boards are common nowadays. These are used in storage signs, road signs, billboards, etc.
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