The table describes four different wires made from the same copper alloy.
| Wire | Length of wire (m\text{m}m) | Diameter of wire (mm\text{mm}mm) |
|---|---|---|
| A | 1.5 | 2.0 |
| B | 1.5 | 1.0 |
| C | 4.5 | 2.0 |
| D | 4.5 | 1.0 |
Which wire has the largest resistance?
Wire A
Wire B
Wire C
Wire D
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.