Charge, current and complete circuits
Charge, current and complete circuits
Electric charge is carried through a metal circuit by delocalised electrons. Charge is measured in coulombs, with symbol QQQ and unit C\text{C}C.
Step-by-step lessons on Edexcel GCSE Physics 10.1 Circuits, charge and current. Each one builds up to exam-style questions. Master the required practical work and core equations early, since both papers can draw on content and maths skills from across the whole specification.