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Semiconductors, Diodes and Transistors

130 resources created by 81 users

This Semiconductors, Diodes and Transistors page on GoConqr gathers community-made quizzes, mind maps, flashcards and notes, from charge carriers and the PN junction to Zener diodes, BJT amplifiers and MOSFETs. It's built for university students and professional candidates revising a topic, and for teachers after ready-made material. There are over 120 resources here, including more than 20 quizzes, over 50 mind maps and more than 20 flashcard decks. Open a quiz to spot your gaps, then see which maps fill them.

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About Semiconductors, Diodes and Transistors

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What the page covers

The resources follow the usual route through analogue electronics. They begin with atoms and semiconductor structure, move on to diodes, and then reach transistors and amplifiers. Further out are some device-physics topics for more advanced study.

  • Atoms and materials: the quiz Chapter 2 starts with the protons in a copper atom and the charge of a neutral atom.
  • Diodes: mind maps on the Zener diode, the varactor diode, the Shockley diode, the half-wave rectifier and ripple factor.
  • Transistors: quizzes on bipolar junction transistors, BJT amplifiers and transistor biasing, plus the notes on Common-Source Stages.
  • Advanced topics: flashcards on MOSFET temperature behaviour and volume inversion, and a quiz on feedback topologies.

Where to start

Begin with the mind maps Semiconductors and Charge carriers and PN Junction. They give you the vocabulary quickly. Then read the flashcard deck An Introduction to Diodes and Semiconductor Junctions, which asks you to fill in definitions.

Next, move to the diode quizzes. Special Purpose Diodes fits well after the Zener and varactor maps. If you are preparing for EASA, try Electronics EASA - Diodes 1 and Diodes 2, then the two Transistors quizzes.

Using quizzes and maps together

  1. Take a quiz cold and note what you miss.
  2. Open the mind map on that topic and trace the branch behind each wrong answer.
  3. Turn the gap into a flashcard, then retake the quiz later.

The quiz Ch 7 Transistor Fundamentals works well this way. It asks about current gain as the ratio of collector current to base current, and the related map on the Transistor shows how the ideas connect.

Where it sits

This unit belongs to the Analogue Electronics strand of Electrical and electronic engineering. Most of the material is university level, with a smaller share aimed at professional candidates and a few resources at school level.

Make it your own

Pick one topic that still feels shaky, work through its quiz, and then build a short map or deck of your own to keep it fresh.

Frequently asked questions

Which quiz should I try first?

Chapter 2 is a gentle opening, as it starts from the protons and net charge of a copper atom. After that, try Ch 7 Transistor Fundamentals for current gain, or the diode and transistor quizzes if you are working towards EASA.

Are there resources for EASA?

Yes. The page lists four quizzes whose titles begin Electronics EASA: two on diodes and two on transistors. One diode quiz covers germanium diodes and testing forward bias with a multimeter. They are a sensible check after the mind maps.

What do the mind maps cover?

They cover charge carriers and the PN junction, general semiconductor properties, Zener, varactor and Shockley diodes, rectifier ripple, the light emitting diode, JFET and FET. There are also maps on transistors and amplifier circuits, so you can follow the topic from materials to circuits.

Are the resources free to use?

Every resource listed here is free to open, study and take, with no account needed. They were made by GoConqr users, not by GoConqr itself. A free account also saves your quiz scores and lets you make your own quizzes, mind maps, flashcards and notes.

Which levels does this page suit?

Most of it suits university students, with some material for professional candidates. It ranges from basic atomic structure and diode behaviour to topics such as MOSFET leakage and quantum transport. Teachers can use the ready-made quizzes and maps as class revision material.

What if the topic I need is missing?

Look through the related mind maps and flashcard decks first, since many topics overlap. If nothing fits, make your own quiz, map or flashcards on that topic and use it for revision.

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