Electronic Principles
Which one of the following statements applies to common, non-rechargeable flashlight batteries?

Common flashlight batteries are secondary wet-cell batteries
Common flashlight batteries are primary dry-cell batteries
None of these
Common flashlight batteries are primary wet-cell batteries
Common flashlight batteries are secondary dry-cell batteries

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Electronic Principles
Waveforms are graphs that show:

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

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