Electronic Principles
Which one of the following equations most directly determines the power dissipation of a resistance when you know the voltage drop and amount of resistance?

P = IE
I = P/E
None of these
P = E2/R
P = I2R

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Electronic Principles
Current is

None of these
The flow of charged particles through a material
The force that causes electrons to flow
An imbalance of electrical charges
The number of free electrons in an atom

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