List of top Questions asked in Andhra Pradesh Post Graduate Engineering Common Entrance Test

When nuclear radiations pass through, gas ionization is produced. This is the principle of which of the following detectors?

If \(f = \text{Tan}^{-1}(xy)\) then \((\frac{\partial f}{\partial x})_{(1,2)}\) = _____ .

Line of Regression of y on x
Let S be a closed surface for which \( \oiint_S \vec{r} \cdot \hat{n} \, dS = 1 \), then the volume enclosed by the surface is ____ .
The general solution of the differential equation \( x^2 \frac{d^2y}{dx^2} - 2x \frac{dy}{dx} + 2y = 4 \) is
Auxiliary Equation for the Cauchy Euler Equation \( (x^2 D^2 + xD + 4)y = 0 \) is ____ .
In Method of Variation of Parameters, \( A = -\int \frac{y_2 R dx}{W} \). If \( V = \sin x, R = \sec x, W = 1 \) then A= ____ .
Cauchy Riemann Equations for an Analytic function are
For the function \( \frac{\sin z}{z^4} \), the point z = 0 is
A force sensor has a sensitivity of 0.01 mV/N. If the sensor outputs a voltage of 2 mV, what is the corresponding force (in Newtons)?

The device shown here is most likely to be _____ .

The system AX=B has a unique solution if
The system of equations \(3x + 2y + z = 0, x + 4y + z = 0, 2x + y + 4z = 0\) is
If \( A = \begin{bmatrix} 1 & 0 \\ 0 & 1 \end{bmatrix} \), \( B = \begin{bmatrix} 0 & 1 \\ -1 & 0 \end{bmatrix} \) and \( C = \begin{bmatrix} \cos\theta & \sin\theta \\ -\sin\theta & \cos\theta \end{bmatrix} \) then
Which of the following is the frequency range of ultrasonic detection?
____ is a part of the human temperature control system
Which among the following transducer is an example of active transducer?
The ac series circuit is composed of a resistance of 20 \(\Omega\), inductive reactance of 40 \(\Omega\) and capacitive reactance of 15 \(\Omega\). If a current of 1 Ampere is flowing, then what is the applied voltage value?
An ammeter is inserted in ____.

Using masons gain formula, find the non-touching loops in terms of loop gains:

Which among the following characteristics of Laser light specifies the precise movement of all individual light waves together through time and space?
A device which converts electrical energy in the form of a current into optical energy is called as ____.
In the fiber optic link, power transfer from one fiber to another and from fiber to detector must take place with ____ coupling efficiency.
Recombination of electron-hole produces ____ in LEDs.
Beer Lambert's law gives the relation between which of the following?