Electronic Principles
Which one of the following is a statement of KirchhofFs voltage law?

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

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Electronic Principles
A low-pass filter:

has no effect on ac signals
passes lower-frequency signals and reduces higher-frequency signals
passes higher-frequency signals and reduces lower-frequency signals
reduces the level of all frequencies by a significant amount
None of these

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Electronic Principles
Which one of the following statements is true?

Power dissipation of a pure capacitor increases with operating frequency
All of these
None 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 decreases with operating frequency

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