List of top Questions asked in Telangana State Post Graduate Engineering Common Entrance Test

An ideal op-amp has the characteristic of an ideal:
For the active filter shown, the DC gain and the 3 dB cutoff frequency are nearly: \[ C_1 = 1.0\ \text{nF},\ R_1 = 15.9\ \text{k}\Omega,\ R_2 = 159\ \text{k}\Omega \]
DC gain and the 3 dB cutoff frequency are nearly
The output voltage \(V_o\) of the circuit is:
output voltage Vo of the circuit
A forward-biased silicon diode has a voltage drop of 0.64 V at negligible current. When the current is 1 A and it dissipates 1 W, the ON resistance of the diode is:
In the circuit shown, the ideality factor \( \eta \) of the diode is unity and the voltage drop across it is 0.7 V. The dynamic resistance of the diode at room temperature is approximately:
the ideality factor η of the diode is unity and the voltage drop across
For the given circuit, the diode \( D \) is ideal. The power dissipated by the \( 300\ \Omega \) resistor is:
power dissipated by the 300 Ω resistor is
A shaft encoder attached to a DC motor has a sensitivity of 500 pulses per revolution. A frequency meter connected to the encoder output indicates 5500 Hz. The speed of the motor in rpm is:
The total inductance of two inductances \(L_1\) and \(L_2\) with series opposing connection and mutual inductance \(M\) is:
Force on a current-carrying conductor placed in a magnetic field is given by:
The rank correlation coefficient between the marks in two subjects of a class is 0.8. The sum of the squares of the differences between the ranks is 33. Then the number of students is:
The maximum value of the directional derivative of \( \varphi = x^2 yz \) at the point \( (1, 4, 1) \) is:
The particular integral of \[ (D^2 - 6D + 13)\, y = 8e^{3x} \sin 2x \] is:
Let \[ f(x) = \begin{cases} 1 + \dfrac{2x}{\pi}, & -\pi \le x \le 0
1 - \dfrac{2x}{\pi}, & 0<x \le \pi \end{cases} \] The constant term of the Fourier series of \(f(x)\) is:
The characteristic polynomial of a \(3 \times 3\) matrix \( A \) is \[ |A - \lambda I| = \lambda^3 - 9\lambda^2 + 23\lambda - 15. \] Let \( X = \text{trace}(A) \) and \( Y = \det(A) \), then:
The smallest change in measurant that will result in a measurable change in the transducer output is called
The amplitude of EMG signals depend upon which of the following factor?
Which of the following instrument is used for recording the movements imparted to the body with each beat of the heart cycle?
The external interrupts of 8051 microcontroller are
A 4-bit R/2R digital-to-analog (DAC) converter has a reference of 5 V. What is the analog output for the input code 0101?
Determine the output frequency of a frequency division circuit which contains 12 flip-flops with an input clock frequency of 20.48 MHz.
An amplifier has an open loop voltage gain of -500. This gain is reduced to -100 when negative feedback is applied. The reverse transmission factor, \( \beta \), of the system is
The equation $x^4 - x - 10 = 0$ is to be solved using the Newton-Raphson method. If $x = 2$ is taken as the initial approximation of the equation, then the next approximation of the solution is
A biased coin was thrown 300 times and the tail turned up 120 times, then the standard error of the observed proportion of tails is
For two events A and B, let $P(A)=\frac{1}{3}$, $P(B)=\frac{1}{4}$ and $P(A \cup B)=\frac{1}{2}$ then $P(A/B)$ is
If $f(x) = \begin{cases} -\pi, & \text{in } -\pi<x<0 \\ x, & \text{in } 0<x<\pi \end{cases}$ then the constant term of the Fourier series is