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

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

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

The current always has the same amplitude and phase for every part of the circuit
The total current is less than the sum of the currents for the resistance and capacitance
None of these
The total current is greater 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
Which one of the following statements is true for the impedance of a series RC circuit?

The impedance is greater than the sum of the resistance and capacitive reactance
The impedance is less than the sum of the resistance and capacitive reactance
The impedance is greater than either the resistance or capacitive reactance but less than their sum
None of these
The impedance is equal to the sum of the resistance and capacitive reactance

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Electronic Principles
Which one of the following phrasers best describes flux density?

The opposition to a build-up of magnetic fields
The concentration of lines of magnetic force
The rate of change of the number of lines of magnetic force
The force that maintains lines of force
None of these

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