Electronic Principles The barrier potential accross each depletion layer is 20 V 0.8 V None of these 0.7 V 20 V 0.8 V None of these 0.7 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? Valence electrons None of these Doping Free electrons Thermal energy Valence electrons None of these Doping Free electrons Thermal energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a step-down transformer, which is larger? Secondary voltage Neither Impossible to say Primary voltage None of these Secondary voltage Neither Impossible to say Primary voltage None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the difference between a conductor and an insulator? None of these The difference between conductors and insulators depends on how they are used An insulator allows current to flow much easier than a conductor does A conductor allows current to flow much easier than an insulator does An insulator has an excessive number of free electrons, while a conductor has a few free electrons or none at all None of these The difference between conductors and insulators depends on how they are used An insulator allows current to flow much easier than a conductor does A conductor allows current to flow much easier than an insulator does An insulator has an excessive number of free electrons, while a conductor has a few free electrons or none at all ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltage in a parallel RL circuit? The voltage always has the same amplitude and phase for every part of the circuit The total voltage lags the total current by less than 90 The total voltage is equal to the sum of the voltages across the resistance and inductance The total voltages is less than the sum of the voltages across the resistance and inductance None of these The voltage always has the same amplitude and phase for every part of the circuit The total voltage lags the total current by less than 90 The total voltage is equal to the sum of the voltages across the resistance and inductance The total voltages is less than the sum of the voltages across the resistance and inductance None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a statement of KirchhofFs voltage law? None of these The total voltage in a parallel circuit is less than the value of the smallest voltage The algebraic sum of voltages entering and leaving a point is equal to zero The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The algebraic sum of voltages in a loop is equal to zero None of these The total voltage in a parallel circuit is less than the value of the smallest voltage The algebraic sum of voltages entering and leaving a point is equal to zero The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The algebraic sum of voltages in a loop is equal to zero ANSWER DOWNLOAD EXAMIANS APP
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