Electronic Principles How many protons does the nucleus of a silicon atom contain? 14 4 None of these 29 48 14 4 None of these 29 48 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? Doping Free electrons Valence electrons None of these Thermal energy Doping Free electrons Valence electrons None of these Thermal energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the currents in a parallel RL circuit? The total current is equal to the sum of the currents through the resistance and inductance None of these The current always has the same amplitude and phase for every part of the circuit The total current is less than the sum of the currents through the resistance and inductance The total current leads the total voltage by less than 90 The total current is equal to the sum of the currents through the resistance and inductance None of these The current always has the same amplitude and phase for every part of the circuit The total current is less than the sum of the currents through the resistance and inductance The total current leads the total voltage by less than 90 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Holes are the minority carriers in which type of semiconductor? n-type None of these Intrinsic p-type Extrinsic n-type None of these Intrinsic p-type Extrinsic ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? 7.8 mA None of these 300 mA 208 mA 200 mA 7.8 mA None of these 300 mA 208 mA 200 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements best applies to a parallel RLC circuit? The voltage waveform for each component always has the same amplitude and phase as the applied voltage All of these The current waveform for each component always has the same amplitude and phase as the applied current The sum of the current is always less than the applied current None of these The voltage waveform for each component always has the same amplitude and phase as the applied voltage All of these The current waveform for each component always has the same amplitude and phase as the applied current The sum of the current is always less than the applied current None of these ANSWER DOWNLOAD EXAMIANS APP