Question

What is a transistor? Why is it so called?

    What is a transistor? Why is it so called?

Engineering Physics

Engineering Physics

Jyotsna Sharma,… 1st Edition

Chapter 25, Problem 12

Instant Answer

Solved by Expert Ajay Singhal

06/23/2021

Step 1

It is formed by sandwiching either a P-type or N-type semiconductor between a pair of the opposite type. This can be represented as: \[ PNP \quad or \quad NPN \] Show more…

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What is a transistor? Why is it so called?

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Key Concepts

Transistor

A transistor is a semiconductor device that can amplify, switch, or modulate electrical signals. It forms the building block of modern electronics, enabling everything from simple amplification in analog circuits to complex signal processing in digital circuits.

Semiconductor

Semiconductors are materials with electrical conductivity between that of a conductor and an insulator. Their unique properties allow precise control over electrical current, making them essential for the operation of transistors and other electronic components.

Transfer Concept

The name 'transistor' originates from its ability to transfer or modulate electrical signals from one part of a circuit to another. This concept, often linked to the idea of a 'transfer resistor,' highlights how the device controls current flow, thereby shaping its role in amplification and switching applications.

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