11. An amplifier without feedback has a voltage gain of 50, input resistance of 1 kΩ & Output resistance of 2.5 kΩ.The input resistance of the current shunt negative feedback amplifier using the above amplifier with a feedback factor of 0.2 is
12. The most commonly used amplifier in sample & hold circuits is
13. An n-channel JFET has $${I_{{\text{DSS}}}} = 2\,{\text{mA}}$$ and Vp = -4 v. Its transconductance gm = in (mA/V) for an applied gate to source voltage VGS = -2 v is
14. In a common emitter, unbypassed resister provides
15. The current gain of a BJT is
16. The current gain of a bipolar transistor drops at high frequencies because of
17. Generally, the gain of a transistor amplifier falls at high frequencies due to the
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
20. MOSFET can be used as a
Read More Section(Analog Electronics)
Each Section contains maximum 100 MCQs question on Analog Electronics. To get more questions visit other sections.