Cambridge IGCSE Physics · 4.2 · structured
Energy used by a fan
Electrical energy and power · Original GioPhysics question with a detailed, mark-by-mark answer guide.
- Demand
- demanding
- Marks
- 4
- Topics
- 2
- Answer
- Complete
Question4 marks
A fan rated at 1120 W operates for 9 min. Calculate the electrical energy transferred in joules.
Task interpretation
What a complete response should do
Build a visible chain from the information given to the quantity or statement requested.
Split the problem into linked stages and state why each relationship applies.
- Response type
- structured
- Allocation
- 4 marks
- Demand
- demanding
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