Electronic Devices and Circuits University Questions for Exams PDF Download - 5

MCQ 21: Circuit that produces an output which approximates the instantaneous rate of change of the input function is called

1. integrator
2. differentiator
3. tyristor
4. subtractor

MCQ 22: An electronic device that administers an electric shock of preset voltage to the heart through the chest wall in an attempt to restore the normal rhythm of the heart during ventricular fibrillation

1. defibrillator
2. answering machine
3. dongle
4. generator

MCQ 23: System which have more than one state is called

1. multistage system
2. single stage system
3. distage system
4. tristage system

MCQ 24: An op-amp configuration in which output is connected back to the input through a feedback circuit is called

1. open loop
2. negative loop
3. positive loop
4. closed loop

MCQ 25: An operational amplifier configuration with two or more inputs that produces an output voltage that is proportional to the negative of the algebraic sum of its input voltages is called

1. integrating amplifier
2. differential amplifier
3. summing amplifier
4. sequential amplifier