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
None of these
All of these
The sum of the current is always less than 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
The total impedance of a parallel RLC circuit:

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

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Electronic Principles
The rms value of a sine waveform is:

the number of cycles completed in one second
equal to 1.41 times the peak amplitude
None of these
equal to 0.707 times the peak amplitude
the time required to complete one full cycle

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

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

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