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 =1.33 x 1012 Hz & fβ = 1.47 x 1010 Hz fT =1.47 x 1010 Hz & fβ = 1.33 x 1012 Hz fT =1.47 x 1010 Hz & fβ = 1.64 x 108 Hz fT =1.64 x 108 Hz & fβ = 1.47 x 1010 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 =1.47 x 1010 Hz & fβ = 1.64 x 108 Hz ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The number of valence electrons in silicon atom are : 1 2 3 4 1 2 3 4 ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics If the emitter resistance increases, the collector voltage stays the same. increases. decreases. breaks down the transistor. stays the same. increases. decreases. breaks down the transistor. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics A zener diode has a constant voltage in the breakdown region. is a battery. has a barrier potential of 1 V. is forward biased. has a constant voltage in the breakdown region. is a battery. has a barrier potential of 1 V. is forward biased. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The most commonly used transistor circuit arrangement is common collector. common base. None of these common emitter. common collector. common base. None of these common emitter. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Under normal reverse bias voltage applied to diode, the reverse electric current in Si diode none of them. order of micro A. 100 mA. 1000 micro A. none of them. order of micro A. 100 mA. 1000 micro A. ANSWER DOWNLOAD EXAMIANS APP