Electronic Principles Most AC power is obtained from: generators oscillators None of these batteries lightning generators oscillators None of these batteries lightning ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A low-pass filter: reduces the level of all frequencies by a significant amount passes lower-frequency signals and reduces higher-frequency signals has no effect on ac signals None of these passes higher-frequency signals and reduces lower-frequency signals reduces the level of all frequencies by a significant amount passes lower-frequency signals and reduces higher-frequency signals has no effect on ac signals None of these passes higher-frequency signals and reduces lower-frequency signals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If N1/N2 = 2, and the primary voltage is 120 V, what is the secondary voltage? 60 V 36 V None of these 0 V 40 V 60 V 36 V None of these 0 V 40 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A zener diode has a voltage of 10 V and a current of 20 mA. What is the power dissipation? 300 mW 200 mW 20 mW 10 mW None of these 300 mW 200 mW 20 mW 10 mW None of these 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? 7.75 µA 14.8 µA 7.8 µA None of these 10.3 µA 7.75 µA 14.8 µA 7.8 µA None of these 10.3 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements is true for the voltages in a series RL circuit? The total voltage lags the total current by less than 90 The total voltage is less than the sum of the voltages across the resistance and inductance The total voltages 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 None of these The total voltage lags the total current by less than 90 The total voltage is less than the sum of the voltages across the resistance and inductance The total voltages 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 None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS