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 =1.47 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 fT =1.64 x 108 Hz & fβ = 1.47 x 1010 Hz ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics If the load resistance increases in a zener regulator, the zener current Increases. stays the same. equals the source voltage divided by series resistance. decreases. Increases. stays the same. equals the source voltage divided by series resistance. decreases. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics When VGS = 0 V, a JFET is an open switch. cut off. saturated. an analog device. an open switch. cut off. saturated. an analog device. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics A constant current signal across a parallel RLC circuits gives an o/p of 1.4v at the signal frequency of 3.89KHZ and 4.1KHZ. At the frequency of 4KHZ,the o/p voltage will be 2v 1.4v 1v 2.8v 2v 1.4v 1v 2.8v ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Why is silicon preferred than germanium ? Silicon has higher tolerance to temperature All the above Leakage current due to minority charge carrier is less in silicon Current sensitivity of silicon with temperature is less Silicon has higher tolerance to temperature All the above Leakage current due to minority charge carrier is less in silicon Current sensitivity of silicon with temperature is less ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics If a transistor operates at the middle of the load line, a decrease in the base resistance will move the Q point up. nowhere. down. off the load line. up. nowhere. down. off the load line. ANSWER DOWNLOAD EXAMIANS APP
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