Electronic Principles What is the barrier potential of a silicon diode at room temperature? 0.7V 0.3V None of these 2 m V per degree Celsius 1 V 0.7V 0.3V None of these 2 m V per degree Celsius 1 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature an intrinsic semiconductor has No holes a few free electrons and holes None of these many free electrons many holes No holes a few free electrons and holes None of these many free electrons many holes 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 two directions at the same time The current in an ac circuit flows in one direction, but changes value periodically None of these The current in an ac circuit changes direction periodically 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 None of these The current in an ac circuit changes direction periodically The current in an ac circuit flows in one direction at a steady level ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the impedance of a series RC circuit? The impedance is less than the sum of the resistance and capacitive reactance The impedance is greater than the sum of the resistance and capacitive reactance The impedance is greater than either the resistance or capacitive reactance but less than their sum The impedance is equal to the sum of the resistance and capacitive reactance None of these The impedance is less than the sum of the resistance and capacitive reactance The impedance is greater than the sum of the resistance and capacitive reactance The impedance is greater than either the resistance or capacitive reactance but less than their sum The impedance is equal to the sum of the resistance and capacitive reactance None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the inductive reactance of a 0.1-H coil that is operating at 1000 Hz? None of these Less than 1 Ohm 100 Ohm 628 Ohm 444 Ohm None of these Less than 1 Ohm 100 Ohm 628 Ohm 444 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrasers best describes flux density? The force that maintains lines of force The opposition to a build-up of magnetic fields None of these The rate of change of the number of lines of magnetic force The concentration of lines of magnetic force The force that maintains lines of force The opposition to a build-up of magnetic fields None of these The rate of change of the number of lines of magnetic force The concentration of lines of magnetic force ANSWER DOWNLOAD EXAMIANS APP
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