Electronic Principles
The total impedance of a parallel RLC circuit:

always increases as the applied frequency increases
is maximum at the resonant frequency
always decreases as the applied frequency increases
None of these
is equal to the sum of the values of resistance, inductive reactance and capacitive reactance

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

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

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