DBATU Model MCQ – Electronics Devices & CircuitsSpread the love Views: 77[adinserter block="1"] Welcome to your Electronics Devices & Circuits, dated April 20, 2021 1. Which of the following elements are most frequently used for doping pure Ge or Si ?Deselect AnswerBoronGalliumIndiumAll of the above 2. In which of the following state does the silicon diode has the voltage drop of 0.7V ?Deselect AnswerNo biasReversed biasForward biasZener region 3. Find the static resistance of the diode having ID = 30 mA & VD = 0.75 VDeselect Answer25400.040.25 4. The below diagram is __________Deselect AnswerHalf wave RectifierFull wave RectifierBridge RectifierNone of these 5. _____ is a device in which there is a transfer of resistance from input side which is forward biased (low resistance) to output side which is reverse biased (high resistance)Deselect AnswerDiodeTransistorRegulatorRectifier 6. In which of the following region, both the collector base & base emitter junctions are forward biased ?Deselect AnswerActiveCut-offSaturationAll of the above 7. The decrease in base width with increase in collector reverse bias voltage is known as ____Deselect AnswerOhm's lawNewton's lawEarly effectNone of the above 8. A BJT is a _____ controlled device, JFET is a ________ controlled deviceDeselect AnswerVoltage , voltagevoltage , currentcurrent , voltagecurrent , current 9. The symbols below comes under which category of MOSFETDeselect AnswerN channel mosfet depletion type, p channel mosfet depletion typeN channel mosfet enhancement type, p channel mosfet enhancement typeN channel mosfet depletion type, p channel mosfet depletion typeP channel mosfet depletion type, n channel mosfet depletion type 10. What is the value of the effective density of states function in the conduction band at 300k?Deselect Answer3*1019 cm-30.4*10-19 cm-32.5*1019 cm-32.5*10-19 cm-3 Please fill in the comment box below. Name Email [adinserter block="1"]Spread the love
