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IB Physics HL B 5 2 Electrical Energy Sources Questions

Practise IB Physics HL B.5.2 by analysing photovoltaic operation, electrical output, efficiency and the practical role of solar technology.

Syllabus
First assessment 2025
Course
Physics HL
Level
HL

Exam points

  • Distinguish photovoltaic and solar-heating panels by identifying whether incident solar radiation becomes electrical output or thermal energy.
  • Calculate or compare PV output, array area and efficiency from incident intensity and required power, including quantitative comparisons with solar heating.
  • Explain how incident photons produce a potential difference in a photovoltaic cell and evaluate practical advantages such as versatile electrical output, renewability or lower pollution.

Learn this topic

Study B.5.2—Electrical energy sources conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

IB Physics HL B 5 2 Electrical Energy Sources Questions question 1

[Maximum number: 3]

This question is in two parts. Part 1 is about solar power and climate models. Part 2 is about digital storage of data.

Question (a)

(a)

Distinguish, in terms of the energy changes involved, between a solar heating panel and a photovoltaic cell.

[ 2 ]

Question (b)

(b)

State an appropriate domestic use for a

[ 1 ]

Question (i)

(i)

photovoltaic cell.

[ 1 ]
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