Analog Electronics The load voltage is approximately constant when a zener diode is unbiased. forward biased. operating in breakdown region. reverse biased. unbiased. forward biased. operating in breakdown region. reverse biased. ANSWER DOWNLOAD EXAMIANS APP
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 = 1.64 x 108 Hz fT =1.64 x 108 Hz & fβ = 1.47 x 1010 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 =1.47 x 1010 Hz & fβ = 1.64 x 108 Hz fT =1.64 x 108 Hz & fβ = 1.47 x 1010 Hz fT =1.47 x 1010 Hz & fβ = 1.33 x 1012 Hz ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics If the emitter resistance decreases, the collector current decreases. Q point stays where it is. Q point moves up. current gain increases. collector current decreases. Q point stays where it is. Q point moves up. current gain increases. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics In a JFET, if the gate voltage Vgs is made more negative, then channel conductivity decreases. channel electric current increases . channel conductivity increases. depletion region decreases. channel conductivity decreases. channel electric current increases . channel conductivity increases. depletion region decreases. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The Barkhausen criterion for an oscillator Loop gain should be unity Loop gain should be less than unity Both A and C The phase of a feedback signal with respect to input should be 0° or 360° Loop gain should be unity Loop gain should be less than unity Both A and C The phase of a feedback signal with respect to input should be 0° or 360° ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Leakage electric current in CE configuration is very high. normal. very small. not present. very high. normal. very small. not present. ANSWER DOWNLOAD EXAMIANS APP
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