ECE :: Exam Questions Paper
-
Step responses of a set of three second-order underdamped systems all have the same percentage overshoot. Which of the following diagrams represents the pole of the three systems?
-
Assertion (A): An unbiased p-n junction develops a built-in potential at the junction with the n-side positive and the p-side negative.
Reason (R): The p-n junction behaves as a battery and supplies current to a resistance connected across its terminals.
-
FET oscillator circuit diagram is shown
The frequency of oscillation is(M is mutual inductance between L1 and L2) -
Consider the following:
- Oscillator
- Emitter follower
- Cascaded amplifier
- Power amplifier
-
Which of the following photodetector does not provide gain?
-
The Hilbert transform of cos ω1t + sin ω2t is
-
The load end of a quarter wave transformer gets disconnected thereby causing an open-circuited load. What will be the input impedance of the transformer?
-
Which of the following does not show non-linear V-I characteristics?
-
The op-amp used in nonlinear mode is
Whatsapp
Facebook
