Electronic Principles
Which one of the following statements applies to common, non-rechargeable flashlight 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
Common flashlight batteries are secondary wet-cell batteries

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Electronic Principles
Which one of the following is a statement of KirchhofFs voltage law?

The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it
The algebraic sum of voltages entering and leaving a point is equal to zero
The total voltage in a parallel circuit is less than the value of the smallest voltage
None of these
The algebraic sum of voltages in a loop is equal to zero

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Electronic Principles
A low-pass filter:

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

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