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

solar cell
piezoelectric devices
None of these
thermocouple
chemical cell

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

None of these
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
round off both the voltage and current waveforms

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Electronic Principles
The south pole of a magnet is the one:

that has its molecules arranged in a random pattern
None of these
that would be repelled by the north pole of another magnet
that would be attracted to the earth's south magnetic pole
that would be attracted to the earths north magnetic pole

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