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 =1.33 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 fT =1.64 x 108 Hz & fβ = 1.47 x 1010 Hz fT =1.47 x 1010 Hz & fβ = 1.64 x 108 Hz ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Which are the mobile charge carriers present in semiconductor diode ? Holes Neutrons Electrons Both A & B Holes Neutrons Electrons Both A & B ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The common-source JFET amplifier has a high input impedance and a voltage gain less than 1. a high input impedance and a very high voltage gain. a very high input impedance and a relatively low voltage no voltage gain. a high input impedance and a voltage gain less than 1. a high input impedance and a very high voltage gain. a very high input impedance and a relatively low voltage no voltage gain. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics MOSFET uses the electric field of barrier potential of p-n junction to control the channel current. both (A) and (B). none of these. gate capacitance to control the channel current. barrier potential of p-n junction to control the channel current. both (A) and (B). none of these. gate capacitance to control the channel current. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Which material behave like perfect insulators at low temperatures & conductor at higher temperature ? Si Ge All the above GaAs Si Ge All the above GaAs ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The collector characteristics of a common - emitter connected transistor may be used to find its base current. output resistance . voltage gain. input resistance. base current. output resistance . voltage gain. input resistance. ANSWER DOWNLOAD EXAMIANS APP
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