Electronic Principles Most AC power is obtained from: generators batteries oscillators lightning None of these generators batteries oscillators lightning None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage? 60 V 36 V 0 V None of these 40 V 60 V 36 V 0 V None of these 40 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best applies to a parallel RLC circuit? None of these All of these The current waveform for each component always has the same amplitude and phase as the applied current The voltage waveform for each component always has the same amplitude and phase as the applied voltage The sum of the current is always less than the applied current None of these All of these The current waveform for each component always has the same amplitude and phase as the applied current The voltage waveform for each component always has the same amplitude and phase as the applied voltage The sum of the current is always less than the applied current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The core of an electromagnet is said to be in saturation when: an increase in current through the coil causes no further increase in the mmf the core is permitted to move freely within the coil frequent changes in the direction of current through the coil causes heating effects in the core material None of these changing the polarity of the current in the coil changes the polarity of the magnetic field around the core an increase in current through the coil causes no further increase in the mmf the core is permitted to move freely within the coil frequent changes in the direction of current through the coil causes heating effects in the core material None of these changing the polarity of the current in the coil changes the polarity of the magnetic field around the core ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Assuming 100% efficiency, what is the power being applied to the primary winding of the transformer described in the above question? 100 W 1000 W None of these 20 W 200 W 100 W 1000 W None of these 20 W 200 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A high-pass filter: has no effect on ac signals passes higher-frequency signals and reduces lower-frequency signals None of these increases the level of all frequencies by a significant amount passes lower-frequency signals and reduces higher-frequency signals has no effect on ac signals passes higher-frequency signals and reduces lower-frequency signals None of these increases the level of all frequencies by a significant amount passes lower-frequency signals and reduces higher-frequency signals ANSWER DOWNLOAD EXAMIANS APP
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