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? 45.5 %. 52.8 %. 66.3 %. 34.3 %. 45.5 %. 52.8 %. 66.3 %. 34.3 %. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics Reverse saturation electric current in a silicon pn junction diode nearly doubles for very 5° rise in temperature. 10° rise in temperature. 2° rise in temperature. 6° rise in temperature. 5° rise in temperature. 10° rise in temperature. 2° rise in temperature. 6° rise in temperature. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics An opamp has a voltage gain of 200,000. If the output voltage is 1 V, the input voltage is 10 V. 1 V. 5 5 micro V. 2 micro V. 10 V. 1 V. 5 5 micro V. 2 micro V. 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 795mV 79.5 mV 395mV 39.5mV 795mV 79.5 mV 395mV 39.5mV ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics An emitter follower has a voltage gain that is greater than one. approximately equal to one. much less than one. zero. greater than one. approximately equal to one. much less than one. zero. ANSWER DOWNLOAD EXAMIANS APP
Analog Electronics For transistor action the base region must be very thin and lightly doped. the emitter should be heavily doped. all of these. Je must be forward biased and Jc should be reverse biased. the base region must be very thin and lightly doped. the emitter should be heavily doped. all of these. Je must be forward biased and Jc should be reverse biased. ANSWER DOWNLOAD EXAMIANS APP
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