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

The total current is greater than the sum of the currents for the resistance and capacitance
None of these
The total current is less than the sum of the currents for the resistance and capacitance
The total current is equal to the sum of the currents for the resistance and capacitance
The current always has the same amplitude and phase for every part of the circuit

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Electronic Principles
Which one of the following statements is true?

All of these
Power dissipation of a pure capacitor increases with operating frequency
There is no meaningful relationship between the power dissipation of a pure capacitor and its operating frequency
Power dissipation of a pure capacitor decreases with operating frequency
None of these

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Electronic Principles
A low-pass filter:

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

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Electronic Principles
What is the difference between the kinds of charges for an electron and a proton?

An electron has a positive charge and a proton has a negative charge
An electron has a positive charge and a proton has no charge
An electron has a negative charge and a proton has no charge
None of these
An electron has a negative charge and a proton has a positive charge

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