Electronic Principles
When operating below its resonant frequency, a series RLC circuit has the characteristics of a:

None of these
purely resistive circuit
series RLC circuit operated above its resonant frequency
series RL circuit
series RC circuit

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Electronic Principles
Which one of the following statements most accurately reflects the nature of ac power?

None of these
The current in an ac circuit flows in one direction, but changes value periodically
The current in an ac circuit flows in one direction at a steady level
The current in an ac circuit flows in two directions at the same time
The current in an ac circuit changes direction periodically

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Electronic Principles
Which one of the following statements most accurately applies to the frequency of a waveform?

The longer the period of a waveform, the lower its frequency
Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz
None of these
The higher the amplitude of a waveform, the higher its frequency
The actual frequency of a sine waveform is 1.41 times the working frequency

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Electronic Principles
When a series RLC circuit is operating at its resonant frequency:

capacitive reactance is greater than the inductive reactance
inductive reactance is equal to the capacitive reactance
None of these
the difference between inductive and capacitive reactance is equal to the resistance
inductive reactance is greater than the capacitive reactance

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