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

thermocouple
None of these
piezoelectric devices
solar cell
chemical cell

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Electronic Principles
Which one of the following statements is true for voltage in a series circuit?

The total voltage in a series circuit is equal to the average value of the individual voltages
The total voltage of a series circuit is equal to the total current divided by the total resistance
The total voltage in a series circuit is always less than the value of the smallest voltage
The total voltage is equal to the sum of the individual voltages in a series circuit
None of these

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