Electronic Principles Which one of the following phrases most accurately describes a purely capacitive circuit? None of these Resistances provide the only opposition to current flow Capacitive reactance provides the only opposition to current flow The ac voltage leads the current by 90 degree Combinations of resistance and capacitive reactance provide any opposition to current flow None of these Resistances provide the only opposition to current flow Capacitive reactance provides the only opposition to current flow The ac voltage leads the current by 90 degree Combinations of resistance and capacitive reactance provide any opposition to current flow ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A low-pass filter: passes lower-frequency signals and reduces higher-frequency signals None of these passes higher-frequency signals and reduces lower-frequency signals reduces 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 reduces the level of all frequencies by a significant amount has no effect on ac signals 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 = IE P = I2R None of these P = E2/R I = P/E P = IE P = I2R None of these P = E2/R I = P/E ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage? 60 V None of these 40 V 0 V 36 V 60 V None of these 40 V 0 V 36 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Most AC power is obtained from: lightning generators oscillators batteries None of these lightning generators oscillators batteries None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Who invented the first junction transistor? Fisher Smith Shockley Gomes None of these Fisher Smith Shockley Gomes None of these ANSWER DOWNLOAD EXAMIANS APP
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