relationship blw electric energy and power
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With power and energy, power is units of energy divided by time. The same difference as distance and velocity. The units of power are watts, the units of energy are joules. A watt is one joule divided by one second.
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Electric power is the rate at which a device changes electric current to another form of energy. The SI unit of power is the watt. Electric power can be calculated as current times voltage. Electrical energy use equals the power of the appliance multiplied by the amount of time the appliance is used.
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