Analog Electronics Three identical amplifiers with each one having a voltage gain of 50,input resistance of 1KΩ & output resistance of 250, are cascaded. The open circuit voltage gain of combined amplifier is 49dB 102dB 98dB 51dB 49dB 102dB 98dB 51dB ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Which of the following is trivalent impurity ? Silicon Boron None of these Antimony Silicon Boron None of these Antimony ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The majority carriers in the emitter of a PNP transistor are free electrons. trivalent atoms. holes. pentavalent atoms. free electrons. trivalent atoms. holes. pentavalent atoms. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics If temperature increases then conductivity of a semiconductor is ................... Decreases None of these Increases Constant Decreases None of these Increases Constant ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Most small - signal E - MOSFETs are found in integrated circuit. disk drives. discrete circuits. heavy - current applications. integrated circuit. disk drives. discrete circuits. heavy - current applications. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The early effect in a bipolar junction transistor is caused by Large collector-base reverse bias Fast turn-on Fast turn-off Large emitter-base forward bias Large collector-base reverse bias Fast turn-on Fast turn-off Large emitter-base forward bias ANSWER DOWNLOAD EXAMIANS APP