Analog Electronics Which material behave like perfect insulators at low temperatures & conductor at higher temperature ? All the above GaAs Si Ge All the above GaAs Si Ge ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics For Germanium pn junction, the maximum value of barrier potential is 0.7V 0.3V 1.6V 1.5V 0.7V 0.3V 1.6V 1.5V ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics For emitter bias, the voltage at the emitter is 0.7 V less than the ground voltage. collector voltage. emitter voltage. base voltage. ground voltage. collector voltage. emitter voltage. base voltage. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Negative feedback in an amplifier Reduces bandwidth Reduces gain Increases noise Increase frequency &phase distortion Reduces bandwidth Reduces gain Increases noise Increase frequency &phase distortion ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics When the source voltage increases in a zener regulator, which of these electric current remain approximately constant ? None of these. Series current. Load current. Zener current. None of these. Series current. Load current. Zener current. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The fact that there are many free electrons in a transistor emitter region means the emitter is heavily doped. None of these undoped. lightly doped. heavily doped. None of these undoped. lightly doped. ANSWER DOWNLOAD EXAMIANS APP