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Option 1 : SI Units
CONCEPT:
- Physical quantity is a property of a material. It can be expressed in number by measurement.
- A physical quantity is expressed by a numerical value and a unit. For example, the physical quantity length can be expressed as 4 metre, where 4 is the numerical value and metre is the unit.
- The SI units are the standard units of measurement defined by the International System of Units (SI).
EXPLANATION:
Following are the SI units of the physical quantity:
| Physical Quantity | SI Units |
| Power | watt |
| Inductance | henry |
| Capacitance | farad |
| Force | newton |
| Mass | kilogram |
| Resistance | ohm |
| Energy, work | joule |
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