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Hydraulic Analogy of Electricity: Understanding Circuits with Water

Explore the hydraulic analogy of electricity in this lesson, where a drop of water represents an electron and water flow symbolizes the intensity of electricity. Learn how water pressure correlates to voltage and resistance to pipe obstructions, similar to electrical components. Discover the equivalence between voltage, intensity, and resistance using a water circuit as an explanatory tool.

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Hydraulic Analogy of Electricity: Understanding Circuits with Water

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  1. Hydraulic analogy of electricity Unit 2.Lesson 1

  2. The hydraulic analogy Purpose Cast of characters A drop of water as the electron The water pressure (pressió de l’aigua o altura) as the voltage or potential difference. The water flow (cabal d’aigua) as the intensity of the electricity current The pipe obstruction (resistència de les canonades) as the resistance of electricity components in the circuit • To use a water circuit where drops transport energy as a explanation of how an electrical circuit transports energy by moving electrons.

  3. Voltage equivalence Small Big Waterfall Water pressure (pressió) High Low Voltage or Difference of potential Torch and batteries

  4. Voltage equivalence Introduction to Circuit Analysis - Water Analogy

  5. Intensity equivalence Water flow (cabal) Little Big Intensity

  6. Resistance equivalence Small Big Water obstruction High Low Electric resistance

  7. Ohm’s law

  8. Ohm’s law Voltage (V)= Intensity(A) x Resistance (Ω)

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