Electronic Principles Suppose a voltage source has an ideal voltage of 15V and a source resistance of 0.2W. For what values of load resistance will the voltage source appear stiff? 10 Ohm None of these 20 Ohm 100 Ohm 30 Ohm 10 Ohm None of these 20 Ohm 100 Ohm 30 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage? 18 V 12 V None of these 24 V 30 V 18 V 12 V None of these 24 V 30 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The graph of current gain versus collector current indicates that the current gain equals the collector current divided by the base current varies slightly None of these varies enormously is contant equals the collector current divided by the base current varies slightly None of these varies enormously is contant ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a free electron? An electron that costs nothing An electron that has no electrical charge None of these An electron that has been freed from its parent atom An electron that has twice the amount of charge of a normal electron An electron that costs nothing An electron that has no electrical charge None of these An electron that has been freed from its parent atom An electron that has twice the amount of charge of a normal electron ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the collector current increases, what does the current gain do? decreases stays the same None of these any of the above increases decreases stays the same None of these any of the above increases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following kinds of materials has the lowest permeability? A feiTomagnetic material A diamagnetic material All of these A paramagnetic material None of these A feiTomagnetic material A diamagnetic material All of these A paramagnetic material None of these ANSWER DOWNLOAD EXAMIANS APP
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