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?

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

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Electronic Principles
Which one of the following statements is true for resistance in a parallel circuit?

The total resistance is equal to the sum of the individual resistances in a parallel circuit.
None of these
The total resistance in a parallel circuit is equal to the average value of the individual resistances
The total resistance of a parallel circuit is always less than the value of the smallest resistance
The total resistance of a parallel circuit is equal to the total voltage

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Electronic Principles
Which one of the following statements is true?

There is no meaningful relationship between the power dissipation of a pure capacitor and its operating frequency
Power dissipation of a pure capacitor decreases with operating frequency
Power dissipation of a pure capacitor increases with operating frequency
None of these
All of these

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