For a cylindrical metal conducting wire, which of the following wires, made of the exact same metal, has a larger electrical resistance?
a wire of the same length with a smaller diameter
a wire of the same length with a larger diameter
a wire of shorter length with the same diameter
a wire of shorter length with a larger 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.