Analog Electronics A Semiconductor has a Positive Temperature coefficient of resistance Constant Temperature coefficient of resistance None of these Negative Temperature coefficient of resistance Positive Temperature coefficient of resistance Constant Temperature coefficient of resistance None of these Negative Temperature coefficient of resistance ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Three identical amplifiers with each one having a voltage gain of 50,input resistance of 1KΩ & output resistance of 250, are cascaded. The open circuit voltage gain of combined amplifier is 98dB 51dB 102dB 49dB 98dB 51dB 102dB 49dB 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 =1.47 x 1010 Hz & fβ = 1.64 x 108 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 =1.33 x 1012 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 =1.64 x 108 Hz & fβ = 1.47 x 1010 Hz fT =1.33 x 1012 Hz & fβ = 1.47 x 1010 Hz ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Energy gap of semiconductor is approx 1 eV. 0 eV. > 8 eV . 5 - 8 eV. 1 eV. 0 eV. > 8 eV . 5 - 8 eV. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Conventional biasing of a BJT has EB reversed biased and CB reversed biased. EB forward biased and CB forward biased. EB forward biased and CB reversed biased. EB reversed biased and CB forward biased. EB reversed biased and CB reversed biased. EB forward biased and CB forward biased. EB forward biased and CB reversed biased. EB reversed biased and CB forward biased. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics A zener diode voltage regulator has load requirement of 12 V and 2 Amp. The zener diode's minimum current requirement is 0.2 A. The minimum voltage at input is 24 V. What is maximum efficiency of circuit? 66.3 %. 34.3 %. 52.8 %. 45.5 %. 66.3 %. 34.3 %. 52.8 %. 45.5 %. ANSWER DOWNLOAD EXAMIANS APP
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