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

thermocouple
solar cell
None of these
chemical cell
piezoelectric devices

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Electronic Principles
A farad is defined as the amount of capacitance necessary for:

dissipating 1 W of power
changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing
causing an ac phase shift greater than 90 degree
storing 1 V for 1 second
None of these

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