Theme B: The particulate nature of matter
IB Physics B.5 Current and circuits: practice questions and video explanations
Electric current, potential difference, resistance and resistivity, power, internal resistance and the analysis of series and parallel circuits.
SL and HL
What you need to know for B.5 Current and circuits
- Use charge, current, potential difference and electromotive force
- Apply resistance, resistivity and Ohm’s law, with I–V characteristics
- Calculate electrical power and energy
- Solve series and parallel circuits, including potential dividers
- Account for the internal resistance of cells and non-ideal meters
B.5 Current and circuits questions in the question bank
- Exam-style questions
- 50
- Multiple choice (Paper 1A style)
- 46
- Structured (Paper 1B and 2 style)
- 4
- Free to try
- 2
Every question has a mark scheme. Multiple-choice answers are marked instantly, and for structured questions you open the mark scheme part by part and award yourself the marks you earned. Most questions also have a step-by-step video explanation presented by an IB teacher or a former IB student.
Practising B.5 Current and circuits needs Premium. Topic A (Space, time and motion) and uncertainties are free with a free account.
More from theme B: The particulate nature of matter
Full practice papers
When you have practised by topic, sit a full SL or HL mock exam with Paper 1A, Paper 1B and Paper 2, or see every IB Physics topic.