Analog Electronics MCQ Questions and Answers
Home | Electrical Engineering | Analog ElectronicsAnalog Electronics MCQ Questions and Answers: here learn anolog electronics multiple choice questions and answers related to electrical engineering. here you can learn mcqs questions for electrical engineering.
11) An amplifier without feedback has a voltage gain of 50,input resistance os 1 KΩ & Output resistance of 2.5KΩ.The input resistance of the current shunt negative feedback amplifier using the above amplifier with a feedbacik factor of 0.2 is
12) The most commonly used amplifier in sample & hold circuits is
Answer : B Discuss
13) An n- channel JFET has IDSS=2mA,and Vp=-4v.Its transconductance gm=in mA/V)for an applied gate to source voltage VGS=-2v is
14) In a common emitter, unbypassed resister provides
Answer : C Discuss
15) The current gain of a BJT is
16) The current gain of a bipolar transistor drops at high frequencies because of
Answer : A Discuss
17) Generally, the gain of a transistor amplifier falls at high frequencies due to the
Answer : A Discuss
18) 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
19) Voltage Series (feedback also called series-shunt feedback) results in
Answer : C Discuss
20) MOSFET can be used as a
Answer : B Discuss