Electronic Principles The graph of current gain versus collector current indicates that the current gain varies slightly equals the collector current divided by the base current varies enormously None of these is contant varies slightly equals the collector current divided by the base current varies enormously None of these is contant ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements most accurately reflects the nature of ac power? The current in an ac circuit flows in one direction at a steady level The current in an ac circuit flows in two directions at the same time The current in an ac circuit flows in one direction, but changes value periodically The current in an ac circuit changes direction periodically None of these The current in an ac circuit flows in one direction at a steady level The current in an ac circuit flows in two directions at the same time The current in an ac circuit flows in one direction, but changes value periodically The current in an ac circuit changes direction periodically None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The barrier potential accross each depletion layer is None of these 20 V 0.7 V 0.8 V None of these 20 V 0.7 V 0.8 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? None of these 14.8 µA 7.8 µA 7.75 µA 10.3 µA None of these 14.8 µA 7.8 µA 7.75 µA 10.3 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A power transformer steps 100 V down to 10 V. If the current in its primary winding is 2 A, what is the current in the secondary winding? 20 A None of these 0.20833333333333 50 A 20 A None of these 0.20833333333333 50 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the capacitive reactance of a 0.1 micro F capacitor that is operating at 1000 Hz? 690 Ohm None of these less than 1 Ohm 312 Ohm 1590 Ohm 690 Ohm None of these less than 1 Ohm 312 Ohm 1590 Ohm ANSWER DOWNLOAD EXAMIANS APP
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