Analog Electronics Negative feedback in an amplifier Reduces bandwidth Increases noise Increase frequency &phase distortion Reduces gain Reduces bandwidth Increases noise Increase frequency &phase distortion Reduces gain 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 rectifier diode. It is a constant voltage device. It works in the forward region. It is a constant electric current device. It is a rectifier diode. It is a constant voltage device. It works in the forward region. It is a constant electric current device. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The following relationship between α and β are correct except α = β / (1 + β). 1 - α = 1 / (1 + β). α = β / (1 - β). β = α / (1 - α). α = β / (1 + β). 1 - α = 1 / (1 + β). α = β / (1 - β). β = α / (1 - α). ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The collector current is 1.5 mA. If the current gain is 50, the base current is 3 mA. 3 µA. 150 µA. 30 µA. 3 mA. 3 µA. 150 µA. 30 µA. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics In a zener diode shunt voltage regulator, the diode regulates so long as it is kept in ______________________ condition. loaded. unloaded. forward. reverse. loaded. unloaded. forward. reverse. ANSWER DOWNLOAD EXAMIANS APP