How does the electrical resistance of a metallic wire change: (1) as its length decreases, and (2) as its diameter increases?
(1) decreases, (2) decreases
(1) decreases, (2) increases
(1) increases, (2) decreases
(1) increases, (2) increases
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.