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 In a JFET, if the gate voltage Vgs is made more negative, then channel conductivity decreases. channel electric current increases . depletion region decreases. channel conductivity increases. channel conductivity decreases. channel electric current increases . depletion region decreases. channel conductivity increases. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Which is the conversion of current done by diode ? None of these DC to DC DC to AC AC to DC None of these DC to DC DC to AC AC to DC ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Which of following is the fastest switching device ? BJT. MOSFET. Triode. JFET. BJT. MOSFET. Triode. JFET. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Negative feedback in an amplifier Increases noise Increase frequency &phase distortion Reduces bandwidth Reduces gain Increases noise Increase frequency &phase distortion Reduces bandwidth Reduces gain ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics How many terminal are present in diode device ? Four-terminal One-terminal Three-terminal Two-terminal Four-terminal One-terminal Three-terminal Two-terminal ANSWER DOWNLOAD EXAMIANS APP