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Electronics

NPN Transistor Working Principle

The scientists John Bardeen and Walter Brattain invented the point-contact transistor. It had two wires carefully fused on … Read More

Half-Wave & Full-Wave Voltage Doubler: Working & Circuit Diagram

It assumed that the source of power is 117-volt ac found in homes and schools. The transformer is … Read More

Power Supply: Definition, Functions & Components

Definition: A power supply is an electronic circuit designed to provide various ac and dc voltages for equipment … Read More

PN Junction: Formation & Structure

In this section, the PN junction, which forms the basis of photovoltaic devices, is introduced. Silicon (Si) is … Read More

PN Junction Diodes and BJT Transistors: an Introduction

This article provides a brief introduction to PN junction diodes and BJT transistors. Doping Silicon: N-Type and P-Type … Read More

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  • Basics
    • Basic Electrical
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