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

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

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Electronic Principles
The total capacitive reactance of a parallel capacitor circuit is:

equal to the source voltage divided by total current
None of these
equal to the sum of the individual capacitive-reactance values
less than the capacitance value of the smallest capacitor
equal to the sum of the individual capacitance values

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