Electronic Principles A current source has an internal resistance of 100 kW. What is the largest load resistance if the current source must appear stiff? 10 k Ohm None of these 20 k Ohm 1 k Ohm 2 k Ohm 10 k Ohm None of these 20 k Ohm 1 k Ohm 2 k Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When operating below its resonant frequency, a series RLC circuit has the characteristics of a: series RL circuit None of these series RLC circuit operated above its resonant frequency series RC circuit purely resistive circuit series RL circuit None of these series RLC circuit operated above its resonant frequency series RC circuit purely resistive circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A high-pass filter: passes higher-frequency signals and reduces lower-frequency signals increases the level of all frequencies by a significant amount has no effect on ac signals passes lower-frequency signals and reduces higher-frequency signals None of these passes higher-frequency signals and reduces lower-frequency signals increases the level of all frequencies by a significant amount has no effect on ac signals passes lower-frequency signals and reduces higher-frequency signals None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of. the following phrases most accurately describes the nature of a pulsating dc voltage? The voltage remains at one polarity and at a steady level The voltage remains at one polarity but changes value periodically None of these The voltage reverses polarity periodically The voltage causes current to flow in two directions at the same time The voltage remains at one polarity and at a steady level The voltage remains at one polarity but changes value periodically None of these The voltage reverses polarity periodically The voltage causes current to flow in two directions at the same time ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage? 40 V 0 V None of these 36 V 60 V 40 V 0 V None of these 36 V 60 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 0.02-H choke that is operating from a 12-V ac, 100-Hz source? 0.41666666666667 0.02 A 2.02 A None of these 0.955 A 0.41666666666667 0.02 A 2.02 A None of these 0.955 A ANSWER DOWNLOAD EXAMIANS APP
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