List of top Electronics And Instrumentation Engineering Questions

Bistable multivibrator acts like a
Which of the following logic gates are called universal gates?
A forward biased PN junction diode has a resistance of the order of
What is the main purpose of Relay?
A NPN transistor conducts when
Which of the following device characteristics are very close to that of an ideal voltage source?
Which of the following is the fastest switching device?
In a LC filter, the ripple factor
Which of the following switch is not a manually operated one?
The rating of fuse wire is always expressed in
The overall transfer function C/R of the system shown in the figure below is
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
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 basic principle of Induction heating process is
If $N_s$ is the synchronous speed, $N$ is the rotor speed and 's' is the slip then relation is
Which of the following material is used to make Solar Cell?
Which of the following device provides isolation between the input circuit and output circuit?
The frequency of ultrasonic waves is
Which of the following is used to detect very weak light intensities?
Correct form of Ohm's law is
Which of the following is not a part of DC machine?
A 250 V DC generator is run at rated speed with no excitation. The open circuit voltage will be
The direction of rotation of a DC motor can be determined by
The basic function of a transformer is to change