Electronic Principles What is a free electron? An electron that has twice the amount of charge of a normal electron An electron that has been freed from its parent atom An electron that has no electrical charge An electron that costs nothing None of these An electron that has twice the amount of charge of a normal electron An electron that has been freed from its parent atom An electron that has no electrical charge An electron that costs nothing None of these 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? 200 mW None of these 10 mW 20 mW 300 mW 200 mW None of these 10 mW 20 mW 300 mW 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? 10.3 µA 7.8 µA 7.75 µA None of these 14.8 µA 10.3 µA 7.8 µA 7.75 µA None of these 14.8 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the algebraic sum of this series of values:+2, -3, -6,+4? -3 None of these -6 2 -3 None of these -6 2 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The total capacitive reactance of a parallel capacitor circuit is: equal to the sum of the individual capacitance values equal to the sum of the individual capacitive-reactance values equal to the source voltage divided by total current None of these less than the capacitance value of the smallest capacitor equal to the sum of the individual capacitance values equal to the sum of the individual capacitive-reactance values equal to the source voltage divided by total current None of these less than the capacitance value of the smallest capacitor 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 leads the total voltage by less than 90 The total current is equal to the sum of the currents through the resistance and inductance 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 None of these 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 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 None of these ANSWER DOWNLOAD EXAMIANS APP
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