Analog Electronics Why holes are not created in a metal ? Both 1 & 2 The conduction band and valance band are overlapped None of these The forbidden band is missing Both 1 & 2 The conduction band and valance band are overlapped None of these The forbidden band is missing ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The Barkhausen criterion for an oscillator Loop gain should be less than unity The phase of a feedback signal with respect to input should be 0° or 360° Both A and C Loop gain should be unity Loop gain should be less than unity The phase of a feedback signal with respect to input should be 0° or 360° Both A and C Loop gain should be unity ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics In a properly biased NPN transistor most of the electrons from the emitter recombine with holes in the base . pass through the base to the collector. recombine in the emitter its self. are stopped by the junction barrier. recombine with holes in the base . pass through the base to the collector. recombine in the emitter its self. are stopped by the junction barrier. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics What is the charge of mobile charge carriers of holes ? None of these Negatively charged No charged Positively charged None of these Negatively charged No charged Positively charged ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics If the load resistance increases in a zener regulator, the zener current Increases. decreases. equals the source voltage divided by series resistance. stays the same. Increases. decreases. equals the source voltage divided by series resistance. stays the same. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Depletion region of a p-n junction is formed During Heating During Reverse bias During Forward bias During Manufacturing During Heating During Reverse bias During Forward bias During Manufacturing ANSWER DOWNLOAD EXAMIANS APP