Electronic Devices and Circuits Viva Questions with Answers PDF

MCQ : Type of amplifier that has very high voltage gain ,very high input impedance, very low output impedance and goof rejection of common mode signals is called

1. subtractor
2. base amplifier
3. operational amplifier
4. drain amplifier

MCQ 1: Ratio of output power to input power in amplifier is called

1. power gain
2. voltage gain
3. alpha
4. beta

MCQ 2: A type of class B amplifier with two transistors in which one transistor conducts for one half cycle and the other conducts for other half cycle is called

1. push-push amplifier
2. push-pull amplifier
3. pull-pull amplifier
4. NMOS amplifier

MCQ 3: An operational amplifier closed loop configuration in which the input signal is applied to the non inverting input is called

1. non inverting amplifier
2. inverting amplifier
3. closed loop voltage gain
4. open loop amplifier

MCQ 4: An amplifier with electrically isolated in its internal stages is called

1. uninsulated amplifier
2. feedback amplifier
3. isolated amplifier
4. open loop amplifier