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

thermocouple
solar cell
electric device
None of these
chemical cell

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Electronic Principles
Which one of the following statements is true?

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

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Electronic Principles
The peak value of a sine waveform is:

the amplitude at 90% of the maximum value
the maximum positive or negative value
None of these
the amplitude at 1.41 times the maximum value
the amplitude at 70.7% of the maximum value

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