Electronic Principles
A high-pass filter:

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

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

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

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Electronic Principles
Which one of the following statements is true for current flowing in a series circuit?

The amount of current flow through each part of a series circuit can be different, depending on the resistance of each part and the amount of voltage applied to it
The total current in a series circuit is equal to the sum of the currents flowing through the individual components in the circuit
The same current flows through every part of a series circuit
None of these
The total current in a series circuit is equal to the total voltage multiplied by the total resistance

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