Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? 180 None of these 0.5 4 0.25 180 None of these 0.5 4 0.25 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following kinds of materials has the lowest permeability? A paramagnetic material A feiTomagnetic material A diamagnetic material None of these All of these A paramagnetic material A feiTomagnetic material A diamagnetic material None of these All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The barrier potential accross each depletion layer is 20 V 0.7 V None of these 0.8 V 20 V 0.7 V None of these 0.8 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A battery is a device composed of one or more: solar cells None of these piezoeletric cells chemical cells voltage generators solar cells None of these piezoeletric cells chemical cells voltage generators ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases most accurately describes a purely capacitive circuit? The ac voltage leads the current by 90 degree Resistances provide the only opposition to current flow Capacitive reactance provides the only opposition to current flow None of these Combinations of resistance and capacitive reactance provide any opposition to current flow The ac voltage leads the current by 90 degree Resistances provide the only opposition to current flow Capacitive reactance provides the only opposition to current flow None of these Combinations of resistance and capacitive reactance provide any opposition to current flow ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles For normal operation of the transistor, the collector diode has to be None of these Operating in the breakdown region Reverse-biased Nonconducting Forward-biased None of these Operating in the breakdown region Reverse-biased Nonconducting Forward-biased ANSWER DOWNLOAD EXAMIANS APP
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