Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? Doping None of these Free electrons Thermal energy Valence electrons Doping None of these Free electrons Thermal energy Valence electrons 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 voltages is less than the sum of the voltages across the resistance and inductance The total voltage is equal to the sum of the voltages across the resistance and inductance None of these The total voltage lags the total current by less than 90 The voltage always has the same amplitude and phase for every part of the circuit The total voltages is less than the sum of the voltages across the resistance and inductance The total voltage is equal to the sum of the voltages across the resistance and inductance None of these The total voltage lags the total current by less than 90 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a purely inductive circuit: None of these cuts the current through the inductors one-half has no effect on the current through the inductors doubles the amount of current through the inductors increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit None of these cuts the current through the inductors one-half has no effect on the current through the inductors doubles the amount of current through the inductors increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a load resistance is 1 kW, a stiff current source has a resistance of At least 10 Ohm More than 100 k Ohm Less than 100 k Ohm Less than 10 Ohm None of these At least 10 Ohm More than 100 k Ohm Less than 100 k Ohm Less than 10 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The nucleus of the copper atom contains how many protons? 18 4 1 None of these 29 18 4 1 None of these 29 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best applies to a parallel RLC circuit? The current waveform for each component always has the same amplitude and phase as the applied current The voltage waveform for each component always has the same amplitude and phase as the applied voltage None of these The sum of the current is always less than the applied current All of these The current waveform for each component always has the same amplitude and phase as the applied current The voltage waveform for each component always has the same amplitude and phase as the applied voltage None of these The sum of the current is always less than the applied current All of these ANSWER DOWNLOAD EXAMIANS APP
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