Describe what causes the flow of electric current.

Define power and discuss how to determine power.

Question

Describe what causes the flow of electric current.

Define power and discuss how to determine power.

anonymous · Answer

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)

radar · Answer

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.