Electronic Principles Assuming 100% efficiency, what is the power being consumed at the secondary winding of the transformer described in question 91? None of these 20 W 100 W 1000 W 200 W None of these 20 W 100 W 1000 W 200 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 10 mA and a base current of 40 mA. What is the current gain of the transistor? 350 µA None of these 250 µA 300 µA 0.25 µA 350 µA None of these 250 µA 300 µA 0.25 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements regarding ac circuits is correct? Current lags the voltage through a resistor None of these All of these Current leads the voltage through a resistor Current and voltages are in phase through a resistor Current lags the voltage through a resistor None of these All of these Current leads the voltage through a resistor Current and voltages are in phase through a resistor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? None of these 0.4 A 0.6 A 0.3 A 0.2 A None of these 0.4 A 0.6 A 0.3 A 0.2 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A zener regulator has an input voltage from 15 to 20 V and a load current from 5 to 20 mA. If the zener voltage is 6.8 V, what value should the series resistor have? 400 Ohm 310 Ohm None of these 550 Ohm 410 Ohm 400 Ohm 310 Ohm None of these 550 Ohm 410 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The Norton current is sometimes called the None of these Shorted-load current Thevenin current Open-load current Thevenin voltage None of these Shorted-load current Thevenin current Open-load current Thevenin voltage ANSWER DOWNLOAD EXAMIANS APP
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