Electronic Principles How may valence electrons does a silicon atom have? 1 2 None of these 4 1 2 None of these 4 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total impedance of a series RLC circuit: is minimum at the resonant frequency None of these always increases as the applied frequency increases is maximum at the resonant frequency always decreases as the applied frequency increases is minimum at the resonant frequency None of these always increases as the applied frequency increases is maximum at the resonant frequency always decreases as the applied frequency increases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? None of these 7.8 µA 10.3 µA 7.75 µA 14.8 µA None of these 7.8 µA 10.3 µA 7.75 µA 14.8 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a pure inductor: ac current is converted to dc voltage ac current lags the voltage by 90 degree ac current leads the voltage by 90 degree ac current and voltage are exactly in phase None of these ac current is converted to dc voltage ac current lags the voltage by 90 degree ac current leads the voltage by 90 degree ac current and voltage are exactly in phase None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltage in a parallel RL circuit? The total voltage lags the total current by less than 90 None of these 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 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 None of these 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 The voltage always has the same amplitude and phase for every part of the circuit ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current is The number of free electrons in an atom An imbalance of electrical charges None of these The force that causes electrons to flow The flow of charged particles through a material The number of free electrons in an atom An imbalance of electrical charges None of these The force that causes electrons to flow The flow of charged particles through a material ANSWER DOWNLOAD EXAMIANS APP