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? 43891 None of these 43922 3 2 43891 None of these 43922 3 2 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What kind of device is a diode? Bilateral Linear Nonlinear Unipolar None of these Bilateral Linear Nonlinear Unipolar None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a statement of Kirchhoffs current law? The algebraic sum of currents entering and leaving a point is equal to zero The total current in a parallel circuit is less than the value of the smallest current None of these The algebraic sum of currents in a loop is equal to zero The current through a resistance is proportional to the value of resistance and the IR drop across it The algebraic sum of currents entering and leaving a point is equal to zero The total current in a parallel circuit is less than the value of the smallest current None of these The algebraic sum of currents in a loop is equal to zero The current through a resistance is proportional to the value of resistance and the IR drop across it 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? 550 Ohm 410 Ohm 310 Ohm 400 Ohm None of these 550 Ohm 410 Ohm 310 Ohm 400 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature Increases 0oC Stays the same None of these Decreases Increases 0oC Stays the same None of these Decreases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In an intrinsic semiconductor, the number of free electrons Is greater than the number of holes Impossible to say Is less than the number of holes None of these Equals the number of holes Is greater than the number of holes Impossible to say Is less than the number of holes None of these Equals the number of holes ANSWER DOWNLOAD EXAMIANS APP