List of top Questions asked in AP PGECET- 2026

In flat top sampling scheme, _______ is kept constant after sampling.
The cut off frequency of the dominant mode in a TE wave in the line having a and b as 2.5 cm and 1 cm respectively is,
The matched filter is equivalent to which of the following?
Which access technique is primarily used in the Global System for Mobile communications (GSM)?
The greater the Gain Margin in the control system, the greater is its _________.
{PD controller:
The system with the open loop transfer function \(\frac{1}{s(1+s)\) is:
Calculate power in each sideband, if power of carrier wave is 176W and there is 60% modulation in amplitude modulated signal?
The transfer function from D(s) to C(s) is _________. Given \(G(s) = \frac{2{3s+1}\) and \(H(s) = 3\)}
Which of the following systems is memoryless?
Find the convolution sum of sequences \(x_1[n] = \{1, 2, 3\}\) and \(x_2[n] = \{2, 1, 4\}\).
The total number of complex multiplications required to compute N point DFT by radix-2 FFT is?
How many select lines would be required for an 8-line-to-1-line multiplexer?
Find the ROC of \(x(t) = e^{-2t u(t) + e^{-3t} u(t)\).
Which of the following is a register-indirect addressing mode instruction set?
Which of the following options comes under the non-saturated logic family?
The result “\(X + XY = X\)” follows which of these laws?
Which component is used to reduce ripples in a DC power supply?
The device shown here is most likely a _________.
Given that \(R1=20\text{k}\Omega\), \(C1=2\text{nF}\), \(R2=20\text{k}\Omega\), \(C2=2\text{nF}\), find the approximate resonant frequency of a Wein bridge oscillator.
In a low pass filter as below, find the cut-off frequency for the following circuit. Given that \(R1=20\text{k}\Omega\), \(R2=25\text{k}\Omega\), \(C1=10\mu\text{F}\).
What is the role of input capacitance in the transistor amplifying circuit?
Which among the following can be used to detect the missing heart beat?
What is the behaviour of a PIN diode under reverse bias?
What type of semiconductor is used in LED ?