Electronic Principles What is the turns ratio of a power transformer that shows 50 V at its secondary winding when you apply 150 V to its primary winding? None of these 43891 3 2 43922 None of these 43891 3 2 43922 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A low-pass filter: passes lower-frequency signals and reduces higher-frequency signals reduces the level of all frequencies by a significant amount passes higher-frequency signals and reduces lower-frequency signals None of these has no effect on ac signals passes lower-frequency signals and reduces higher-frequency signals reduces the level of all frequencies by a significant amount passes higher-frequency signals and reduces lower-frequency signals None of these has no effect on ac signals ANSWER DOWNLOAD EXAMIANS APP
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 and at a steady level None of these 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 The voltage remains at one polarity and at a steady level None of these The voltage reverses polarity periodically The voltage remains at one polarity but changes value periodically ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? 0.25 180 4 0.5 None of these 0.25 180 4 0.5 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Voltage is The smallest electrically charged particle The number of free electrons in an atom The flow of charged particles through a material Trie force that causes electrons to flow None of these The smallest electrically charged particle The number of free electrons in an atom The flow of charged particles through a material Trie force that causes electrons to flow None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles To get the Norton current, you have to Open the load resistor Short the load resistor Short the voltage source None of these Open the voltage source Open the load resistor Short the load resistor Short the voltage source None of these Open the voltage source ANSWER DOWNLOAD EXAMIANS APP
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