A physics laboratory has a standard wire of known electrical resistance. It also has other wires made from the same material, but of different lengths and diameters.
Which wire would definitely have a resistance greater than the standard wire?
longer length, larger diameter
longer length, smaller diameter
shorter length, larger diameter
shorter length, smaller diameter
132 exam-style questions on CIE IGCSE Physics 4.2.4a Resistance. Each one has a worked solution and a mark scheme showing where the marks go.