(a)[3]
Finish Fig. 8.2 so that it shows the circuit arrangement in Fig. 8.1. The iron wire is represented by the thicker line between A and B.
(b)[4]
Calculate the resistance of the iron wire, and include the unit in your response.
Physics 0625 · IGCSE · Electric circuits
Electric circuits — practice question
In Fig. 8.1, a student uses the circuit to determine the resistance of a length of iron wire.