Electronic Principles
Which one of the following statements is true?

All of these
Power dissipation of a pure capacitor decreases with operating frequency
There is no meaningful relationship between the power dissipation of a pure capacitor and its operating frequency
None of these
Power dissipation of a pure capacitor increases with operating frequency

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

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

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Electronic Principles
Which one of the following statements best describes magnetic hysteresis?

Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently
None of these
Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet
Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet
Hysteresis is most apparent when the core material is saturated

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

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

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