Electronic Principles Which one of. the following phrases most accurately describes the nature of a pulsating dc voltage? The voltage causes current to flow in two directions at the same time The voltage remains at one polarity but changes value periodically None of these The voltage remains at one polarity and at a steady level The voltage reverses polarity periodically The voltage causes current to flow in two directions at the same time The voltage remains at one polarity but changes value periodically None of these The voltage remains at one polarity and at a steady level The voltage reverses polarity periodically ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Silicon atoms combine into an orderly pattern called a Covalent bond Valence orbit Semiconductor None of these Crystal Covalent bond Valence orbit Semiconductor None of these Crystal ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A circuit has two different voltage sources that are connected in a series-aiding form. If the sources are rated at 6 V and 9 V, what is the total source voltage? 16 V 7.5 V None of these 8 V 15 V 16 V 7.5 V None of these 8 V 15 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A flashlight battery has internal resistance of 1W. For what values of load resistance does the flashlight battery appear stiff? None of these 100 Ohm or more 60 Ohm 50 Ohm 10 Ohm None of these 100 Ohm or more 60 Ohm 50 Ohm 10 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating above its resonant frequency, a parallel RLC circuit has the characteristics of a: purely resistive circuit parallel RLC circuit operated above its resonant frequency None of these parallel RL circuit parallel RC circuit purely resistive circuit parallel RLC circuit operated above its resonant frequency None of these parallel RL circuit parallel RC circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature an intrinsic semiconductor has many holes a few free electrons and holes many free electrons None of these No holes many holes a few free electrons and holes many free electrons None of these No holes ANSWER DOWNLOAD EXAMIANS APP
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