The diameter of a copper wire is estimated to be about $0.3\,\text{mm}$. Which instrument ought to be used to measure the diameter of the wire more accurately?
- Ameasuring tape
- Bmetre rule
- Cmicrometer
- Druler
Physics 0625 · IGCSE · Physical quantities and measurement techniques
The diameter of a copper wire is estimated to be about $0.3\,\text{mm}$. Which instrument ought to be used to measure the diameter of the wire more accurately?