IB skill practice

Calculate thermal energy transfers Free

Paper 1, Paper 2 5 marks Difficulty 3 Mixed calculator policy

Energy transferred by heating power

In a second version of the same investigation, A heater in a low-voltage lamp circuit supplies constant power \(160\,\text{W}\) for \(30\,\text{s}\). Calculate the energy transferred to the surroundings. Use the diagram first, then calculate the requested value. Enter the numerical result and choose the interpretation that matches the physical meaning.

Worked practice: physics data and result

Read the physical quantities first, then calculate the result and state what it means.