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

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

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Electronic Principles
A high-pass filter:

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

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Electronic Principles
Waveforms are graphs that show:

None of these
amplitude on the vertical axis and frequency on the horizontal axis
the passage of time on the vertical axis and amplitude on the horizontal axis
amplitude on the vertical axis and the passage of time on the horizontal axis
frequency on the vertical axis and amplitude on the horizontal axis

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