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OpenStudy (anonymous):
Describe what causes the flow of electric current. Define power and discuss how to determine power.
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OpenStudy (anonymous):
Basically, what causes the flow of current is potential. Power is the product of current and voltage. Mathematically, P = IV. Knowing I and V, you get P (power)
OpenStudy (radar):
Electromotive force, even the name seems to say the answer, generated chemically as in a battery, or mechanically as in a generator. Themovie gave you answer regarding power. The only thing I would add is that the phase of the voltage with respect to current is a concern.
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