- Books Name
- Science Made Easy Science Book
- Science Made Easy
- CBSE Class 9
The rate of doing work or the rate of transfer of energy is called power. It is denoted by P
⇒ P = Wt
SI unit is Watt (J/s).
Average power = Total energy consumed / Total time taken
The commercial unit of power is kWh i.e. energy used in 1 hour at 1000 Joules/second.
1KWh = 3.6×106 J
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