List of top Questions asked in AP ECET EIE- 2025

Bistable multivibrator acts like a
Which of the following Amplifier produces least distortion in the output among all the power Amplifiers?
2's complement of the 2's complement number is
A forward biased PN junction diode has a resistance of the order of
Which of the following is the fastest switching device?
Which of the following device characteristics are very close to that of an ideal voltage source?
What is the main purpose of Relay?
In a LC filter, the ripple factor
A NPN transistor conducts when
Which of the following switch is not a manually operated one?
In a second order system, the time required for the response to reach steady state value is known as
The open loop transfer function of a unity feedback system is: $G(s) = \frac{1 + s}{s(1 + 0.5s)}$. The corner frequencies are
The open loop transfer function of a unity feedback system is: $G(s) = \frac{50}{(1 + 0.1s)(1 + 2s)}$. The Position, Velocity and Acceleration error constants are respectively
The overall transfer function C/R of the system shown in the figure below is
The rating of fuse wire is always expressed in
Which of the following device provides isolation between the input circuit and output circuit?
Which of the following material is used to make Solar Cell?
The basic principle of Induction heating process is
Which of the following is used to detect very weak light intensities?
The frequency of ultrasonic waves is
If $N_s$ is the synchronous speed, $N$ is the rotor speed and 's' is the slip then relation is
In part of the atmosphere ozone layer is present.
A 250 V DC generator is run at rated speed with no excitation. The open circuit voltage will be
Which of the following is not a part of DC machine?
The direction of rotation of a DC motor can be determined by