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Big picture and laws

Big picture and laws

Comparison of a series circuit with two resistors in one loop and a parallel circuit with two branches, showing current and voltage labels A series circuit has one path for current, while a parallel circuit has more than one path between the same two nodes. That single visual difference explains why current, voltage, and resistance behave differently.

Series and parallel circuits Lesson

  1. A Level
  2. /Physics
  3. /Series and parallel circuits

Step-by-step lessons covering Edexcel A Level Physics Series and parallel circuits for A Level Physics. Each lesson works through exam-style questions in Paper 1, Paper 2 and Paper 3 format. Physics is one of the most mathematically demanding A Levels -- at least 40% of the marks across the three papers require maths skills at Level 2 (GCSE) standard or above, so build calculation and graph-handling fluency alongside the conceptual content from the start.

Lessons