October 2005
Intermediate to advanced
502 pages
10h 21m
English
The international system of units (SI) is based on the seven units given here.
Table B 1
| Length | metre | m |
| Mass | kilogram | kg |
| Thermodynamic temperature | kelvin | K |
| Time | second | s |
| Luminous intensity | candela | cd |
| Amount of a substance | mole | mol |
| Electrical current | ampere | A |
The following are the defined units with standard symbols.
Table B 2
| Force | newton, N | 1N=1 kg m/s2 |
| Power | watt, W | 1W=1 J/s |
| Pressure | pascal, Pa | 1 Pa=1 N/m2 |
| Temperature | kelvin, K | K = °C + 273.15 |
| Work, heat, energy | joule, J | 1 J=1N m |
| Potential difference | volt, V | 1V=1 W/A |
| Electrical resistance | ohm, ς | 1 ς = 1 V/A |
Derived units are obtained from the governing equations ...
Read now
Unlock full access