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
None of these
P = I2R
P = IE

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Electronic Principles
Which one of the following statements is true?

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

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Electronic Principles
What is the difference between the kinds of charges for an electron and a proton?

An electron has a positive charge and a proton has a negative charge
An electron has a negative charge and a proton has no charge
An electron has a negative charge and a proton has a positive charge
An electron has a positive charge and a proton has no charge
None of these

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