Analog Electronics If a transistor operates at the middle of the load line, a decrease in the current gain will move the Q point nowhere. down. off the load line. up. nowhere. down. off the load line. up. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The Barkhausen criterion for an oscillator Loop gain should be unity Loop gain should be less than unity Both A and C The phase of a feedback signal with respect to input should be 0° or 360° Loop gain should be unity Loop gain should be less than unity Both A and C The phase of a feedback signal with respect to input should be 0° or 360° ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics What will happen if doping of an intrinsic semiconductor with pentavalent impurity atom ? None of these Fermi level raises Fermi level fall Fermi level not change None of these Fermi level raises Fermi level fall Fermi level not change ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Suppose the base resistor is open. The Q point will be at the upper end of the load line. at the lower end of the load line. in the middle of the load line. off the load line. at the upper end of the load line. at the lower end of the load line. in the middle of the load line. off the load line. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics A transistor series voltage regulator is called emitter follower regulator because the emitter of the pass transistor follows the ________________________ voltage. input. base. output. collector. input. base. output. collector. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics If the series resistance increases in an unloaded zener regulator, the zener current increases. stays the same. equals the voltage divided by the resistance. decreases. increases. stays the same. equals the voltage divided by the resistance. decreases. ANSWER DOWNLOAD EXAMIANS APP
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