Electronic Principles The secondary voltage for a certain power transformer is twice the voltage applied to the primary. The current flowing in the secondary winding will be: One-half the primary current None of these Twice the primary current Same as the primary current No more than 10% less than the primary current One-half the primary current None of these Twice the primary current Same as the primary current No more than 10% less than the primary current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Who invented the first junction transistor? None of these Gomes Smith Fisher Shockley None of these Gomes Smith Fisher Shockley ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A diode is in series with 220W. If the voltage across the resister is 4V, what is the current through the diode? 18.2 mA 16.3 mA None of these 55.86 A 55 A 18.2 mA 16.3 mA None of these 55.86 A 55 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 10 mA and a base current of 40 mA. What is the current gain of the transistor? 250 µA 0.25 µA 350 µA 300 µA None of these 250 µA 0.25 µA 350 µA 300 µA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following kinds of materials has the lowest permeability? A paramagnetic material A diamagnetic material All of these A feiTomagnetic material None of these A paramagnetic material A diamagnetic material All of these A feiTomagnetic material None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain power transformer has a turns ratio of 5. What voltage can you expect at the secondary winding when you apply 120 V to the primary winding? 4.73 600 V 0.4 V 24 V None of these 4.73 600 V 0.4 V 24 V None of these ANSWER DOWNLOAD EXAMIANS APP
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