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? 600 V 24 V 4.73 None of these 0.4 V 600 V 24 V 4.73 None of these 0.4 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the barrier potential of a silicon diode at room temperature? None of these 0.3V 1 V 0.7V 2 m V per degree Celsius None of these 0.3V 1 V 0.7V 2 m V per degree Celsius ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature Increases None of these Decreases 0oC Stays the same Increases None of these Decreases 0oC Stays the same ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 60-W light bulb that is operating at 120 V? None of these 0.083333333333333 180 A 7200 A 0.5A None of these 0.083333333333333 180 A 7200 A 0.5A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The barrier potential accross each depletion layer is None of these 20 V 0.8 V 0.7 V None of these 20 V 0.8 V 0.7 V ANSWER DOWNLOAD EXAMIANS APP
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? 20 Ohm 10 Ohm None of these 30 Ohm 100 Ohm 20 Ohm 10 Ohm None of these 30 Ohm 100 Ohm ANSWER DOWNLOAD EXAMIANS APP
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