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What is a transistor and its symbol?

What is a transistor and its symbol? - Find the answer to this question and access a vast question bank that is customized for learners.

Answer: Electronic signals and electrical power are amplified by transistors, which are semiconductor devices. 

The applied electric signals are amplified and controlled by transistors. The emitter, base, and collector are the three terminals that make up a transistor. 

The base receives an electrical signal and current travels between the emitter and collector.

The transistor symbol is shown below: