IB skill practice

Calculate electrical power and energy transfer

Official-syllabus Physics skill catalogue entry. Seeded skills are activated only after exam-style question templates pass validation.

Paper 1, Paper 2 5 marks Difficulty 4

Electrical energy from power and time

A device in a entropy mixing demonstration uses power \(50\,\text{W}\) for \(120\,\text{s}\). Calculate the energy transferred. Use the diagram first, then calculate the requested value. Enter the numerical result and choose the interpretation that matches the physics meaning.

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