Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? Free electrons Doping Valence electrons Thermal energy None of these Free electrons Doping Valence electrons Thermal energy None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What causes the depletion layer? Recombination None of these Barrier potential Ions Doping Recombination None of these Barrier potential Ions Doping ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A farad is defined as the amount of capacitance necessary for: storing 1 V for 1 second causing an ac phase shift greater than 90 degree changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing None of these dissipating 1 W of power storing 1 V for 1 second causing an ac phase shift greater than 90 degree changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing None of these dissipating 1 W of power ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the phase shift between total current and voltage, if 100 ohm resistor connected in parallel with an inductor that has a reactance of 200W? 0 degree 90 degree 26.6 degree 180 degree None of these 0 degree 90 degree 26.6 degree 180 degree None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the graph of current versus voltage is a straight line, the device is referred to as None of these Linear Nonlinear Active Bipolar None of these Linear Nonlinear Active Bipolar ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total inductive reactance of a parallel inductor circuit is: equal to the sum of the individual inductive-reactance values less than the inductance value of the smallest inductor equal to the sum of the individual inductance values equal to the source voltage divided by total current None of these equal to the sum of the individual inductive-reactance values less than the inductance value of the smallest inductor equal to the sum of the individual inductance values equal to the source voltage divided by total current None of these ANSWER DOWNLOAD EXAMIANS APP