Most transistors are constructed from silicon and germanium but other semiconductor materials are also used for construction of transistors. Depending on doping level transistors are classified into 2 types first one NPN and the second one is PNP transistor. It also used in different engineering projects and circuitry. It was created by William Shockley (who was a physicist of United States of America) in 1947. In today’s tutorial, we will have a look at Transistor as a Switch. The transistor is a 3 pin semiconductor module used for different amplifier and switching circuits. Hello friends, I hope you all are doing great.
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