Electronic Principles
What kind of battery is most likely included in a cordless electric knife?

Nicad battery
Lead-acid battery
None of these
Mercury-cell battery
Zinc-carbon battery

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Electronic Principles
Which one of the following statements most accurately applies to the frequency of a waveform?

The higher the amplitude of a waveform, the higher its frequency
Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz
The actual frequency of a sine waveform is 1.41 times the working frequency
The longer the period of a waveform, the lower its frequency
None of these

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Electronic Principles
The total capacitance of a series capacitor circuit is:

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

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