Electronic Principles A device that converts thermal energy to electrical energy is called a: chemical cell piezoelectric devices None of these solar cell thermocouple chemical cell piezoelectric devices None of these solar cell thermocouple ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The north pole of a magnet is the one: that would be attracted to the earth's south magnetic pole that would be repelled by the south pole of another magnet that has its molecules arranged in a random pattern that would be attracted to the earth's north magnetic pole None of these that would be attracted to the earth's south magnetic pole that would be repelled by the south pole of another magnet that has its molecules arranged in a random pattern that would be attracted to the earth's north magnetic pole None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A circuit has two different voltage sources that are connected in a series-opposing form. If the sources are rated at 6 V and 9 V, what is the total source voltage? 8 V 3 V 16 V None of these 7.5 V 8 V 3 V 16 V None of these 7.5 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating below its resonant frequency, a parallel RLC circuit has the characteristics of a: parallel RLC circuit operated above its resonant frequency parallel RL circuit None of these purely resistive circuit parallel RC circuit parallel RLC circuit operated above its resonant frequency parallel RL circuit None of these purely resistive circuit parallel RC circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Household light bulbs have a given power rating, and they operate at 120 V. Which one of the following equations most directly provides the current rating of these light bulbs? P = E2/R P = IE P = I2R None of these I = P/E P = E2/R P = IE P = I2R None of these I = P/E ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of. the following phrases most accurately describes the nature of a pulsating dc voltage? The voltage reverses polarity periodically The voltage remains at one polarity but changes value periodically The voltage causes current to flow in two directions at the same time None of these The voltage remains at one polarity and at a steady level The voltage reverses polarity periodically The voltage remains at one polarity but changes value periodically The voltage causes current to flow in two directions at the same time None of these The voltage remains at one polarity and at a steady level ANSWER DOWNLOAD EXAMIANS APP