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

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

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Electronic Principles
Which one of. the following phrases most accurately describes the nature of a pulsating dc voltage?

None of these
The voltage reverses polarity periodically
The voltage remains at one polarity but changes value periodically
The voltage causes current to flow in two directions at the same time
The voltage remains at one polarity and at a steady level

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Electronic Principles
What is the difference between the kinds of charges for an electron and a proton?

None of these
An electron has a negative charge and a proton has a positive charge
An electron has a positive charge and a proton has a negative charge
An electron has a negative charge and a proton has no charge
An electron has a positive charge and a proton has no charge

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