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Year 11 - Design and technology

Electronic systems

Core principles

Unit Summary

In this unit pupils will develop core principles knowledge with an explicit focus on exam technique.

Lesson Summary

You will learn to use electronic components to design and test electronic circuits.

Key Notes

  • Voltage, current and resistance are the key concepts when designing electronic systems.
  • Input, process and output components are used to construct electronic systems.
  • CAD and breadboarding are ways of modelling an electronic system in order to test it.
  • Printed circuit boards are used in electronic products.

Vocabulary To Learn

  • Ohm's law: the relationship between voltage, current and resistance
  • breadboard: a device used to plug in electrical components and test circuits
  • polarity: the directional flow of electrons from one pole to another
  • resistance: the opposition to the flow of current

Common Mistakes To Avoid

  • Components all work however they are positioned in a circuit.

3 Quick Questions (With Answers)

1. Explain the lesson in two key points.

Voltage, current and resistance are the key concepts when designing electronic systems. Input, process and output components are used to construct electronic systems.

2. What does this key word mean in this lesson? 'Ohm's law'

the relationship between voltage, current and resistance.

3. Correct this common mistake.

Mistake: Components all work however they are positioned in a circuit. Correction: Some components are polarised and only work if they are the correct way round.

More Lessons In This Unit

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