Analog Electronics The Barkhausen criterion for an oscillator Both A and C Loop gain should be less than unity Loop gain should be unity The phase of a feedback signal with respect to input should be 0° or 360° Both A and C Loop gain should be less than unity Loop gain should be unity The phase of a feedback signal with respect to input should be 0° or 360° ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics In a CB amplifier the maximum efficiency could be 99% 50% 25% 85% 99% 50% 25% 85% ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Which of these is the best description of a zener diode? It is a constant electric current device. It is a rectifier diode. It works in the forward region. It is a constant voltage device. It is a constant electric current device. It is a rectifier diode. It works in the forward region. It is a constant voltage device. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics What is the input impedance of a common-gate configured JFET? High. Very high. Very low. Low. High. Very high. Very low. Low. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics In which mode of BJT operation are both junction forward biased active. reverse active. cut off. saturation. active. reverse active. cut off. saturation. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Single phase, 230 V, 1 KW heater is connected acrose single phase 230 V, 50 Hz supply through a diode. The power delivered to the heater element 1000 W. 100 W. 500 W. None of above. 1000 W. 100 W. 500 W. None of above. ANSWER DOWNLOAD EXAMIANS APP
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