Electronic Principles
Which one of the following statements is true?

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

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Electronic Principles
Which one of the following is a statement of Kirchhoffs current law?

The algebraic sum of currents entering and leaving a point is equal to zero
The algebraic sum of currents in a loop is equal to zero
The total current in a parallel circuit is less than the value of the smallest current
None of these
The current through a resistance is proportional to the value of resistance and the IR drop across it

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Electronic Principles
Which one of. the following phrases most accurately describes the nature of a pulsating dc voltage?

The voltage remains at one polarity and at a steady level
None of these
The voltage causes current to flow in two directions at the same time
The voltage reverses polarity periodically
The voltage remains at one polarity but changes value periodically

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