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

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Electronic Principles
Doubling the operating frequency of a purely inductive circuit:

doubles the amount of current through the inductors
increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit
None of these
has no effect on the current through the inductors
cuts the current through the inductors one-half

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