Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? None of these 85 9 81 6 None of these 85 9 81 6 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature Stays the same None of these 0oC Increases Decreases Stays the same None of these 0oC Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the barrier potential of a silicon diode at room temperature? 0.3V None of these 1 V 2 m V per degree Celsius 0.7V 0.3V None of these 1 V 2 m V per degree Celsius 0.7V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The voltage across a 1N4001 is 0.93V when the current is 1A. What is the power dissipation of the diode for these values? 0.041666666666667 None of these 0.93 V 0.93 W 9.3 W 0.041666666666667 None of these 0.93 V 0.93 W 9.3 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with an inductor that has a reactance of 200 W? 224 ohm 77.7 ohm None of these 88.8 ohm 89.3 ohm 224 ohm 77.7 ohm None of these 88.8 ohm 89.3 ohm 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 100 Ohm 444 Ohm 628 Ohm Less than 1 Ohm None of these 100 Ohm 444 Ohm 628 Ohm Less than 1 Ohm ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS