Power is the rate of doing work
1 Define unit of power
2 what is the commercial unit of electrical energy give it's value in Joule
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unit of power is watt
: power is said to be 1 watt when 1 ampere current flows through a circuit having potential difference 1 volt
commercial unit of power : ( kwh )
1 kwh is equal to 3•6 × 10^6
: power is said to be 1 watt when 1 ampere current flows through a circuit having potential difference 1 volt
commercial unit of power : ( kwh )
1 kwh is equal to 3•6 × 10^6
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The formula that links energy and power is: Energy = Power x Time. The unit of energy is the joule, the unit of power is the watt, and the unit of time is the second.
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