Electronic Principles
The rms value of a sine waveform is:

the time required to complete one full cycle
equal to 0.707 times the peak amplitude
the number of cycles completed in one second
equal to 1.41 times the peak amplitude
None of these

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Electronic Principles
A low-pass filter:

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

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Electronic Principles
Voltage is

The smallest electrically charged particle
None of these
Trie force that causes electrons to flow
The flow of charged particles through a material
The number of free electrons in an atom

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