Electronic Principles
Which one of the following statements is true?

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

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Electronic Principles
Waveforms are graphs that show:

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

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Electronic Principles
What is the primary difference between primary and secondary cell batteries?

Primary-cell batteries use chemical cells, whereas secondary-cell batteries use an alternative energy source, such as thermal or magnetic energy, to supplement their outputs
Primary-cell batteries must be recharged at a much slower rate that secondary-cell batteries
Primary-cell batteries can be recharged and used many times, whereas secondary-cell batteries cannot be properly recharged
None of these
Secondary-cell batteries can be recharged and used many times, whereas primary-cell batteries cannot be properly recharged

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