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 %. 45.5 %. 52.8 %. 66.3 %. 34.3 %. 45.5 %. 52.8 %. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics An amplifier using an opamp with slew rate SR=1v/µsec has a gain of 40db.if this amplifier has to faithfully amplify sinusoidal signals from dc to 20 KHz without introducing any slew-rate induced distortion, then the input signal level must not exceed 39.5mV 79.5 mV 795mV 395mV 39.5mV 79.5 mV 795mV 395mV ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The common-source JFET amplifier has a very high input impedance and a relatively low voltage no voltage gain. a high input impedance and a very high voltage gain. a high input impedance and a voltage gain less than 1. a very high input impedance and a relatively low voltage no voltage gain. a high input impedance and a very high voltage gain. a high input impedance and a voltage gain less than 1. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics What is the charge of mobile charge carriers of holes ? Positively charged Negatively charged No charged None of these Positively charged Negatively charged No charged None of these ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics For an NPN transistor in normal bias the emitter junction has high resistance. Je is forward biased and Jc is reverse biased. only holes cross the collector junction. only majority carriers cross the collector junction. the emitter junction has high resistance. Je is forward biased and Jc is reverse biased. only holes cross the collector junction. only majority carriers cross the collector junction. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics The most commonly used amplifier in sample & hold circuits is An inverting amplifier with a gain of 10 A unity gain inverting amplifier An inverting amplifiers with a gain of 100 A unity gain non-inverting amplifier An inverting amplifier with a gain of 10 A unity gain inverting amplifier An inverting amplifiers with a gain of 100 A unity gain non-inverting amplifier ANSWER DOWNLOAD EXAMIANS APP
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