IB skill practice

Solve series and parallel circuit problems

Paper 1, Paper 2 5 marks Difficulty 5

Parallel resistance

Two resistors \(8\,\Omega\) and \(11\,\Omega\) are connected in parallel in a heat-engine design review. Calculate the total resistance. Enter the numerical result and choose the interpretation that matches the physics meaning.

Worked practice: physics data and result

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