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Power is always the time-rate of energy, i.e. the rate of change (or transfer) of energy with respect to time.
If Energy is measured in Joules, then one Joule being transferred in one second is equal to one Watt of power.
Electrical power is the time rate of change of electrical energy, P=dE/dt.
Power = energy / time
It usually referst to some type of energy transfer. In SI units:
Watts = joules / second
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Electrical motors convert electrical energy into mechanical energy.
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an example to that is that kinetic energy changes with the help of work while electrical energy is by power like outlets etc. (almost related to potential energy think of it like that.)
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Electrical energy is the energy in a current - which is basically related to moving charges.
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1 horsepower equals 745.69987 watts. Scroll down to related links and look at "Electrical Power" and "Energy".
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electrical power
What is mechanical energy and how it is converted?
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What does electrical engineering deal with?
technology is a study of how to put scientific knowlege to practical use and engeniering has to deal with design of electrical machinery of power plants for producing electric energy from steam,water er other power, and of wire networks for distributing this energy efficiently to costumers
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An example of electrical energy is large electric power plants generate for electrical energy.
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A generator transforms mechanical energy into electrical energy.
Energy used to power a computer?
electrical energy
