Electronic Principles
When operating above its resonant frequency, a series RLC circuit has the characteristics of a:

series RLC circuit operated below its resonant frequency
series RC circuit
purely resistive circuit
None of these
series RL circuit

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Electronic Principles
A high-pass filter:

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

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