Electronic Principles What is the turns ratio of a power transformer that shows 50 V at its secondary winding when you apply 150 V to its primary winding? None of these 43891 3 2 43922 None of these 43891 3 2 43922 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current is An imbalance of electrical charges The number of free electrons in an atom The flow of charged particles through a material None of these The force that causes electrons to flow An imbalance of electrical charges The number of free electrons in an atom The flow of charged particles through a material None of these The force that causes electrons to flow ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the Q point moves along the load line, the voltage increases when the current Stays the same Can be any of above None of these Decreases Increases Stays the same Can be any of above None of these Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The barrier potential accross each depletion layer is 0.8 V 20 V 0.7 V None of these 0.8 V 20 V 0.7 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A zener regulator has an input voltage from 15 to 20 V and a load current from 5 to 20 mA. If the zener voltage is 6.8 V, what value should the series resistor have? 400 Ohm 410 Ohm None of these 550 Ohm 310 Ohm 400 Ohm 410 Ohm None of these 550 Ohm 310 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to resistance in an electrical circuit? There is no valid comparison Permeance Reluctance Retentivity Permeability There is no valid comparison Permeance Reluctance Retentivity Permeability ANSWER DOWNLOAD EXAMIANS APP