Electronic Principles
Which one of the following statements is true?

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

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Electronic Principles
Current is

The force that causes electrons to flow
An imbalance of electrical charges
None of these
The number of free electrons in an atom
The flow of charged particles through a material

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Electronic Principles
For a pure capacitor:

ac current is converted to dc voltage
None of these
ac current and voltage are exactly in phase
ac current leads the voltage by 90 degree
ac current lags the voltage by 90 degree

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