Electronic Principles The barrier potential accross each depletion layer is 0.8 V 0.7 V 20 V None of these 0.8 V 0.7 V 20 V None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage? 208 V None of these 700 V 651 V 707 V 208 V None of these 700 V 651 V 707 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements regarding ac circuits is correct? None of these Current and voltages are in phase through a resistor All of these Current lags the voltage through a resistor Current leads the voltage through a resistor None of these Current and voltages are in phase through a resistor All of these Current lags the voltage through a resistor Current leads the voltage through a resistor ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The voltage across a 1N4001 is 0.93V when the current is 1A. What is the power dissipation of the diode for these values? None of these 9.3 W 0.93 V 0.93 W 0.041666666666667 None of these 9.3 W 0.93 V 0.93 W 0.041666666666667 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? 0.3 A 0.6 A None of these 0.2 A 0.4 A 0.3 A 0.6 A None of these 0.2 A 0.4 A 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? 10 mW 20 mW 300 mW 200 mW None of these 10 mW 20 mW 300 mW 200 mW None of these ANSWER DOWNLOAD EXAMIANS APP
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