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 =1.64 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 fT =1.47 x 1010 Hz & fβ = 1.33 x 1012 Hz ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Energy gap of semiconductor is approx 1 eV. 5 - 8 eV. 0 eV. > 8 eV . 1 eV. 5 - 8 eV. 0 eV. > 8 eV . ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The number of valence electrons in silicon atom are : 3 4 1 2 3 4 1 2 ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The most commonly used transistor circuit arrangement is None of these common emitter. common base. common collector. None of these common emitter. common base. common collector. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The encapsulation of transistor is necessary for Avoiding loss of free electrons Preventing photo-emission effects Preventing radio interference Mechanical ruggedness Avoiding loss of free electrons Preventing photo-emission effects Preventing radio interference Mechanical ruggedness ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics When the current gain increases from 50 to 300 in an emitter-biased circuit, the collector current increases by a factor of 6. decreases by a factor of 6. is zero. remains almost the same. increases by a factor of 6. decreases by a factor of 6. is zero. remains almost the same. ANSWER DOWNLOAD EXAMIANS APP
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