Electronic Principles
Which one of the following statements is true for the currents in a series RC circuit?

The total current is greater than the sum of the currents for the resistance and capacitance
The current always has the same amplitude and phase for every part of the circuit
None of these
The total current is less than the sum of the currents for the resistance and capacitance
The total current is equal to the sum of the currents for the resistance and capacitance

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

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

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Electronic Principles
What is the difference between a conductor and an insulator?

An insulator has an excessive number of free electrons, while a conductor has a few free electrons or none at all
A conductor allows current to flow much easier than an insulator does
An insulator allows current to flow much easier than a conductor does
None of these
The difference between conductors and insulators depends on how they are used

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