Electronic Principles
When applying a square waveform to a capacitor, the circuit tends to:

peak the voltage and round off the current waveforms
peak the current and round off the voltage waveforms
None of these
round off both the voltage and current waveforms
peak both the voltage and current waveforms

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Electronic Principles
The total impedance of a parallel RLC circuit:

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

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

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
The higher the amplitude of a waveform, the higher its frequency
The longer the period of a waveform, the lower its frequency
None of these

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