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 =1.33 x 1012 Hz & fβ = 1.47 x 1010 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 =1.47 x 1010 Hz & fβ = 1.33 x 1012 Hz fT =1.33 x 1012 Hz & fβ = 1.47 x 1010 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 If temperature increases then conductivity of a semiconductor is ................... Decreases Constant None of these Increases Decreases Constant None of these Increases ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics If the base resistor is very small, the transistor will operate in the All of these saturation region. cutoff region. active region. All of these saturation region. cutoff region. active region. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics For a transistor amplifier with self- biasing network, the following components are used: R1 = 4 KΩ, R2 = 4 KΩ and RE = 1 KΩ, the approximate value of stability factor will be 3. 2. 1.5. 4. 3. 2. 1.5. 4. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Which of the following transistor configuration circuit is much less temperature dependent ? Common base. Common collector. Common emitter. None of these Common base. Common collector. Common emitter. None of these ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics MOSFET requires Only small input current. None of these. A large input current. A large input current and high voltage. Only small input current. None of these. A large input current. A large input current and high voltage. ANSWER DOWNLOAD EXAMIANS APP
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