Edexcel IGCSE Physics · Spec 2.10-2.12
Series & Parallel Circuit Rules
The rules for current, voltage and resistance in series and parallel circuits.
Physics revision video
Series & Parallel Circuit Rules
Prefer to watch on YouTube? Open this video on YouTube.
Spec 2.10-2.12
What you need to know
- State the current and voltage rules in series
- State them in parallel
- Compare the two types of circuit
Active recall
Quick check
Answer each question before opening the answer.
How do current and voltage behave in a series circuit?
Current is the same everywhere; the voltage is shared between the components.
How do current and voltage behave in a parallel circuit?
Voltage is the same across each branch; the current is shared between the branches.
Physics video companion
Keep your notes and exam practice together
The free Physics workbook follows every video in specification order.