Science Made Easy
- Books Name
- Science Made Easy Science Book
- Publication
- Science Made Easy
- Course
- CBSE Class 9
- Subject
- Science
Power
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
