Charge, current and d.c. circuits
Charge, current and d.c. circuits
A simple circuit is a complete conducting loop that lets charge move. If the loop is broken, current stops everywhere.
Step-by-step lessons on OCR GCSE Physics Simple circuits. Each one builds up to exam-style questions. Paper 2 and Paper 4 include synoptic questions that draw on Topics P1–P4, so revisit earlier topics before final exams rather than treating each paper as self-contained.