An oscilloscope is used to monitor the current in a resistive wire. Compare the drift behavior and net displacement of the conduction electrons in the wire when it is connected to a direct current (d.c.) source versus when it is connected to an alternating current (a.c.) source.
32 exam-style questions on Edexcel GCSE Physics 10.1 Circuits, charge and current. Each one has a worked solution and a mark scheme showing where the marks go.