Electronic Principles
Which one of the following statements applies to common auto batteries?

Auto batteries are secondary dry-cell batteries
Auto batteries are secondary wet-cell batteries
Auto batteries are primary wet-cell batteries
None of these
Auto batteries are primary dry-cell batteries

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

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

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Electronic Principles
Which one of. the following phrases most accurately describes the nature of a pulsating dc voltage?

The voltage reverses polarity periodically
The voltage remains at one polarity but changes value periodically
The voltage causes current to flow in two directions at the same time
None of these
The voltage remains at one polarity and at a steady level

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