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 =1.64 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 fT =1.47 x 1010 Hz & fβ = 1.33 x 1012 Hz ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The reverse saturation electric current of a pn junction varies with temperature (T) as independent of T. T. T2. 1 / T. independent of T. T. T2. 1 / T. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics In deriving ac equivalent circuit for an amplifier circuit we short circuit All transistors All inductors All resistors All capacitors All transistors All inductors All resistors All capacitors ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The transit time of the electric current carriers through the channel of a JFET decides it’s ________________ characteristics. source and drain. source. gate. drain. source and drain. source. gate. drain. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The base-emitter voltage of an ideal transistor is 0.7 V. 0.3 V. 0 V. 1 V. 0.7 V. 0.3 V. 0 V. 1 V. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The depletion region with in a pn junction is reduced when the junction has : forward bias. reverse bias. zero bias. all of these. forward bias. reverse bias. zero bias. all of these. ANSWER DOWNLOAD EXAMIANS APP