Electronic Principles
A device that converts chemical energy to electrical energy is called a:

solar cell
None of these
electric device
chemical cell
thermocouple

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Electronic Principles
Which one of the following statements is true?

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

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