Analog Electronics Which of the following amplifier circuit using junction transistor has the best gain? All have the same gain Common emitter Common collector Common base All have the same gain Common emitter Common collector Common base ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics What is the range of energy band gap of semiconductors ? 1-3 ev 10-15 ev 0 ev 14-15 ev 1-3 ev 10-15 ev 0 ev 14-15 ev ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Thermal runaway is not possible in FET because as the temperature of FET increases The mobility decreases The transconductance increases None of these The drain current increases The mobility decreases The transconductance increases None of these The drain current increases ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics An npn BJT has gm=38mA/v, cµ =10¯14 F, cπ =10¯13F and DC current gain β0=90.For this transistor fT & fβ are fT =1.47 x 1010 Hz & fβ = 1.33 x 1012 Hz fT =1.64 x 108 Hz & fβ = 1.47 x 1010 Hz fT =1.47 x 1010 Hz & fβ = 1.64 x 108 Hz fT =1.33 x 1012 Hz & fβ = 1.47 x 1010 Hz fT =1.47 x 1010 Hz & fβ = 1.33 x 1012 Hz fT =1.64 x 108 Hz & fβ = 1.47 x 1010 Hz fT =1.47 x 1010 Hz & fβ = 1.64 x 108 Hz fT =1.33 x 1012 Hz & fβ = 1.47 x 1010 Hz ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The 741 C has a unity - gain frequency of 15 MHz. 10 Hz. 20 Hz. 1 MHz. 15 MHz. 10 Hz. 20 Hz. 1 MHz. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics In deriving ac equivalent circuit for an amplifier circuit we short circuit All transistors All capacitors All inductors All resistors All transistors All capacitors All inductors All resistors ANSWER DOWNLOAD EXAMIANS APP