Four cylindrical conductors, A through D
PHYSICS · Multi-part · A Level · Physics · Electricity · Electricity
Problem
Four cylindrical conductors, A through D, are listed in the table below. All wires are at the same temperature.| Wire | Length (m) | Diameter (mm) | Material (relative resistivity) |
|---|---|---|---|
| A | 1.0 | 1.0 | copper (baseline) |
| B | 1.0 | 2.0 | aluminum (1.6 × copper) |
| C | 2.0 | 1.0 | copper (baseline) |
| D | 1.0 | 1.0 | nichrome (50 × copper) |