IB skill practice

Calculate thermal energy transfers

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

Heater energy from power and time

A heater in a laboratory resistor board has power \(375\,\text{W}\) and runs for \(85\,\text{s}\). Calculate the energy transferred. Enter the numerical result and choose the interpretation that matches the physics meaning.

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