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

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
All of these
None of these
The sum of the current is always less than the applied current

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

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

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Electronic Principles
A low-pass filter:

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

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Electronic Principles
Which one of the following statements is true for resistance in a parallel circuit?

The total resistance is equal to the sum of the individual resistances in a parallel circuit.
The total resistance of a parallel circuit is equal to the total voltage
None of these
The total resistance in a parallel circuit is equal to the average value of the individual resistances
The total resistance of a parallel circuit is always less than the value of the smallest resistance

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Electronic Principles
Which one of the following statements best describes magnetic hysteresis?

Hysteresis is most apparent when the core material is saturated
Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet
Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet
Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently
None of these

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