Analog Electronics When the current gain increases from 50 to 300 in an emitter-biased circuit, the collector current remains almost the same. decreases by a factor of 6. is zero. increases by a factor of 6. remains almost the same. decreases by a factor of 6. is zero. increases by a factor of 6. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics An amplifier without feedback has a voltage gain of 50,input resistance os 1 KΩ & Output resistance of 2.5KΩ.The input resistance of the current shunt negative feedback amplifier using the above amplifier with a feedbacik factor of 0.2 is 1/11KΩ 5KΩ 1/5KΩ 11KΩ 1/11KΩ 5KΩ 1/5KΩ 11KΩ ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics What is the condition if no external potential energy is applied to the PN junction then diode ? None of these Reversed biased Zero Bias Forward biased None of these Reversed biased Zero Bias Forward biased ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The opamp can amplify neither AC not DC signals. both AC and DC signals. DC signals only. AC signals only. neither AC not DC signals. both AC and DC signals. DC signals only. AC signals only. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The expression for frequency of oscillations of a RC phase shift oscillator is f = 1 / (2π RC√6) None of these f = 1 / (2π√RC) f = 1 / (2π√R(C1 + C2)) f = 1 / (2π RC√6) None of these f = 1 / (2π√RC) f = 1 / (2π√R(C1 + C2)) ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics If the base current is 100 mA and the current gain is 30, the emitter current is 3.33 mA. 3.1 A. 3 A. 10 A. 3.33 mA. 3.1 A. 3 A. 10 A. ANSWER DOWNLOAD EXAMIANS APP
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