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

The impedance is equal to the sum of the resistance and capacitive reactance
The impedance is greater than the sum of the resistance and capacitive reactance
The impedance is greater than either the resistance or capacitive reactance but less than their sum
None of these
The impedance is less than the sum of the resistance and capacitive reactance

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Electronic Principles
Which one of the following statements best applies to a series RLC circuit?

None of these
The sum of the current is always less than the applied current
All of these
The current waveform for each component always has the same amplitude and phase as the applied current
The voltage waveform for each component always has the same amplitude and phase as the applied voltage

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

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

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