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IB Physics SL A 3 3 Sankey Diagrams Questions

Practise calculating efficiency and losses from Sankey diagrams, then drawing proportional labelled arrows for energy and power transfers.

Syllabus
First assessment 2025
Course
Physics SL
Level
SL

Exam points

  • Read Sankey arrow widths to calculate useful output, wasted power or efficiency from the labelled energy flows.
  • Construct proportional, labelled Sankey arrows from input and output power, showing direction and losses.

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Study A.3.3—Sankey diagrams conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

IB Physics SL A 3 3 Sankey Diagrams Questions question 1

[Maximum number: 3]

On the grid, sketch a labelled Sankey diagram that represents the energy transformation in this OWC.

Figure for Question IB Physics SL A 3 3 Sankey Diagrams Questions question 1 — IB Physics SL
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